> For the complete documentation index, see [llms.txt](https://help.moclinh.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.moclinh.com/cau-h-i-sau-khi-s-dung/toi-thay-san-pham-huu-ich-co-chinh-sach-gi-khi-toi-gioi-thieu-cho-ban-be.md).

# Tôi thấy sản phẩm hữu ích, có chính sách gì khi tôi giới thiệu cho bạn bè?