# Page Not Found

The URL `files/-MkNoZSzGDnrn3wPC41s` does not exist. This page may have been moved, renamed, or deleted.

## Suggested Pages

You may be looking for one of the following:
- [#5) Hướng dẫn đăng nhập, đăng xuất, thay đổi mật khẩu và thiết lập thông tin người dùng](https://docs.crmonline.vn/master/voi-nguoi-dung-dau-cuoi-end-user.md)
- [VIDEO HƯỚNG DẪN CHI TIẾT](https://docs.crmonline.vn/23-huong-dan-s-dung-mobile-app-crmonline/video-huong-dan-chi-tiet.md)
- [Hướng dẫn Email gửi đơn hàng cho khách hàng](https://docs.crmonline.vn/30-quan-ly-don-hang/huong-dan-email-gui-don-hang-cho-khach-hang.md)
- [Hướng dẫn xuất hóa đơn điện tử trên đơn hàng](https://docs.crmonline.vn/30-quan-ly-don-hang/huong-dan-xuat-hoa-don-dien-tu-tren-don-hang.md)
- [Sơ đồ tính năng phần mềm CRMOnline](https://docs.crmonline.vn/master/tong-quan-ve-he-thong-crm/so-do-tinh-nang-phan-mem-crmonline.md)

## How to find the correct page

If the exact page cannot be found, you can still retrieve the information using the documentation query interface.

### Option 1 — Ask a question (recommended)

Perform an HTTP GET request on the documentation index with the `ask` parameter:

```
GET https://docs.crmonline.vn/master/voi-nguoi-dung-dau-cuoi-end-user.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

### Option 2 — Browse the documentation index

Full index: https://docs.crmonline.vn/sitemap.md

Use this to discover valid page paths or navigate the documentation structure.

### Option 3 — Retrieve the full documentation corpus

Full export: https://docs.crmonline.vn/llms-full.txt

Use this to access all content at once and perform your own parsing or retrieval. It will be more expensive.

## Tips for requesting documentation

Prefer `.md` URLs for structured content, append `.md` to URLs (e.g., `/master/voi-nguoi-dung-dau-cuoi-end-user.md`).

You may also use `Accept: text/markdown` header for content negotiation.