> For the complete documentation index, see [llms.txt](https://hdsd.dnse.com.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hdsd.dnse.com.vn/cau-hoi-thuong-gap/chuong-trinh-uu-dai-khuyen-mai.md).

# Chương trình Ưu đãi - Khuyến mại