# Hook Formulas — Cong Thuc Hook Cho Thi Truong VN

> **Nguon goc:** Adapt tu `social-media-skills/hook-generator` + `post-formatter` (Charlie Hills, 350K+ followers, 100M+ views/nam).
> **Ap dung cho:** Skill 04 (Script Video), Skill 05 (Copy Quang Cao), Skill 01 (Lich Noi Dung).
> **Thi truong:** Viet Nam 2025–2026.

---

## Nguyen tac chung

1. **Hook quyet dinh 80% hieu suat** — video bi luot trong 1–3 giay, ads bi bo qua trong 125 ky tu dau
2. **Khong bao gio mo bang "Toi"** — dung "Ban", "Day", con so, hoac ten nguoi/brand
3. **Cu the > Chung chung** — "97% nguoi lam sai" tot hon "Nhieu nguoi lam sai"
4. **So lieu > Tinh tu** — "Tang 340% trong 60 ngay" tot hon "Tang manh trong thoi gian ngan"
5. **1 y duy nhat** — hook chi truyen tai 1 thong diep, khong chen 2–3 y

---

## 6 Kieu Hook

### 1. Con so dan dau (Number-led)

**Cong thuc:** Mo bang so lieu cu the, bat ngo, tao credibility ngay lap tuc.

| Thanh phan | Gioi han | Vi du |
|------------|---------|-------|
| Dong 1 | ≤ 50 ky tu (video) / ≤ 125 ky tu (ads) | "97% chu spa dang lam sai buoc nay" |
| Dong 2 (twist) | ≤ 50 ky tu | "Va no ton 200 trieu/nam ma khong biet" |

**Phu hop:** TOFU (cold audience), moi nen tang
**Cam xuc trigger:** To mo, bat ngo

**Vi du VN theo nganh:**
- Spa: "1,247 chi da trai nghiem — 98% quay lai lan 2"
- F&B: "Quan nay ban 340 phan/ngay — chi co 12 cho ngoi"
- Giao duc: "3 buoc hoc tieng Anh — 90% nguoi bo qua buoc 2"
- BDS: "Can ho 2 ty tang gia 40% trong 18 thang — day la khu vuc"

---

### 2. Nguoc doi (Contrarian)

**Cong thuc:** Noi dieu pho bien roi lat nguoc — tao tension va curiosity.

| Thanh phan | Gioi han | Vi du |
|------------|---------|-------|
| Dong 1 | ≤ 50 ky tu | "Chay ads nhieu hon KHONG giup ban" |
| Dong 2 (lat nguoc) | ≤ 50 ky tu | "Toi giam budget 50% va tang don 3x" |

**Phu hop:** TOFU, dac biet TikTok va Facebook
**Cam xuc trigger:** Bat ngo, thach thuc

**Vi du VN:**
- "Rua mat 2 lan/ngay la ly do da ban te hon"
- "Khong can content hay — can content DUNG"
- "Hoc MBA 2 nam khong bang doc 3 cuon sach nay"

---

### 3. Bien doi ca nhan (Transformation)

**Cong thuc:** Truoc vs Sau voi con so cu the — show proof ngay trong hook.

| Thanh phan | Gioi han | Vi du |
|------------|---------|-------|
| Dong 1 (truoc) | ≤ 50 ky tu | "6 thang truoc toi khong co khach" |
| Dong 2 (sau) | ≤ 50 ky tu | "Bay gio 40 booking/tuan — day la cach" |

**Phu hop:** MOFU (warm audience), Facebook, TikTok
**Cam xuc trigger:** Hy vong, khat vong

**Vi du VN:**
- "Tu 5 don/tuan len 40 don/tuan — chi trong 60 ngay"
- "CPMess tu 65K xuong 18K — chi doi 1 thu"
- "0 follower den 50K trong 6 thang — khong chay ads"

---

### 4. Muon uy tin (Authority steal)

**Cong thuc:** Nhac ten thuong hieu, chuyen gia, cong cu noi tieng — muon credibility.

| Thanh phan | Gioi han | Vi du |
|------------|---------|-------|
| Dong 1 | ≤ 50 ky tu | "Bac si da lieu 15 nam khuyen dung" |
| Dong 2 | ≤ 50 ky tu | "Ly do bat ngo ma it ai biet" |

**Phu hop:** MOFU, nganh can trust (y te, giao duc, tai chinh)
**Cam xuc trigger:** Tin tuong, to mo

**Vi du VN:**
- "ChatGPT vua thay doi cach toi lam MKT — 90% marketer chua biet"
- "Meta vua update thuat toan — ads cua ban se bi anh huong"
- "Cong thuc cua Shark Tank winner — ai cung ap dung duoc"

---

### 5. Thu nhan (Admission)

**Cong thuc:** Chia se sai lam, mat mat, that bai — tao dong cam va trust.

| Thanh phan | Gioi han | Vi du |
|------------|---------|-------|
| Dong 1 (thu nhan) | ≤ 50 ky tu | "Toi da mat 500 trieu chay ads sai" |
| Dong 2 (bai hoc) | ≤ 50 ky tu | "Day la bai hoc dat gia nhat" |

**Phu hop:** BOFU (hot audience), LinkedIn, Facebook
**Cam xuc trigger:** Dong cam, chinh thuc

**Vi du VN:**
- "Toi da tuyen sai 5 nhan vien MKT lien tiep — bai hoc dau"
- "3 nam kinh doanh, toi suyt pha san vi 1 sai lam nay"
- "Toi da tieu 200 trieu chay ads sai — bay gio toi lam khac"

---

### 6. Khan cap / Du bao (Urgency / Future shock)

**Cong thuc:** Dieu sap thay doi, co hoi sap het, xu huong moi — tao FOMO.

| Thanh phan | Gioi han | Vi du |
|------------|---------|-------|
| Dong 1 | ≤ 50 ky tu | "TikTok Shop sap thay doi hoan toan" |
| Dong 2 | ≤ 50 ky tu | "Ai khong chuan bi se mat thi phan" |

**Phu hop:** BOFU, TOFU (tuy goc), moi nen tang
**Cam xuc trigger:** FOMO, lo lang, kip thoi

**Vi du VN:**
- "Con 8 slot thang 6 — 34 nguoi dang cho"
- "Meta 2026: Andromeda se giet ads clone — ban da san sang?"
- "3 thay doi lon trong marketing VN 2026 — dieu cuoi bat ngo nhat"

---

## Chon hook theo tang pheu

| Tang pheu | Hook uu tien | Ly do |
|-----------|-------------|-------|
| **TOFU** (Cold) | Con so (1), Nguoc doi (2), Du bao (6) | Thu hut chu y nguoi chua biet brand |
| **MOFU** (Warm) | Bien doi (3), Uy tin (4) | Tang trust cho nguoi da biet |
| **BOFU** (Hot) | Thu nhan (5), Khan cap (6), Bien doi (3) | Thuc day hanh dong, chot don |
| **Retarget** | Khan cap (6), Thu nhan (5) | Nhac lai, tao urgency |

---

## Chon hook theo nen tang

| Nen tang | Hook phu hop nhat | Gioi han ky tu | Ghi chu |
|----------|-------------------|---------------|---------|
| **TikTok** | Con so, Nguoc doi, Bien doi | ≤ 50 ky tu (3 giay noi) | Hook = loi thoai dau tien |
| **Facebook Ads** | Con so, Thu nhan, Khan cap | ≤ 125 ky tu (truoc "Xem them") | Hook = dong 1 primary text |
| **Instagram Reels** | Bien doi, Uy tin, Nguoc doi | ≤ 50 ky tu (text overlay) | Hook = text overlay + loi noi |
| **Google Ads** | Con so, Uy tin | ≤ 30 ky tu (headline) | Hook = headline |
| **LinkedIn** | Thu nhan, Nguoc doi, Uy tin | ≤ 50 ky tu (2 dong dau) | Hook = 2 dong dau bai post |
| **Zalo OA** | Con so, Khan cap | ≤ 40 ky tu (tieu de broadcast) | Hook = tieu de broadcast |

---

## Kiem tra hook truoc khi dung

- [ ] Dong 1 ≤ 50 ky tu (video) hoac ≤ 125 ky tu (ads primary text)
- [ ] Co con so hoac chi tiet cu the — khong chung chung
- [ ] Khong mo bang "Toi" — dung "Ban", "Day", con so, ten brand
- [ ] Gay to mo hoac cham cam xuc — nguoi doc/xem MUON biet tiep
- [ ] Phu hop tang pheu (TOFU/MOFU/BOFU)
- [ ] Phu hop nen tang (char limit dung)
- [ ] Twist/dong 2 lat nguoc hoac tang stakes — khong lap lai dong 1
- [ ] Doc len thanh tieng nghe tu nhien (khong co cau van)

---

## Anti-patterns — Hook KHONG nen dung

| Anti-pattern | Vi sao xau | Fix |
|-------------|-----------|-----|
| "Xin chao, hom nay minh se..." | Khong co hook, nguoi xem luot ngay | Bo gioi thieu, vao thang van de |
| "Ban co biet...?" (qua chung) | Cau hoi khong cu the, khong gay to mo | Them con so hoac chi tiet |
| "Chung toi la thuong hieu X..." | Self-centered, khach khong quan tam | Noi ve van de cua KHACH, khong noi ve BAN |
| Copy y het doi thu | Andromeda cluster (Meta), nguoi xem nham | Doi goc nhin, dung so lieu khac, doi format |
| Hook dai >125 ky tu (ads) | Bi cat giua, mat y nghia | Rut gon, 1 y duy nhat |
| Hook khong lien quan noi dung | Clickbait → nguoi xem that vong → unfollow | Hook phai la promise, noi dung phai deliver |
