Perhaps you should try some spelling variations:
khien dong » nhiet dong, dien dong
chieu sang » chieu sach, chieu xanh, hieu lang
dung phung » dung phuong, dung chung, dung nhung
hanh dang » hanh dong, anh dang, hanh dung
dang van » hoang van, hang va
van dung » van dong, xay dung, tin dung
van phan » van phong, van thanh, luan phan
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((khien dong) or (chieu sang)) - hanh dang van dung phung van phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((khien dong) OR (chieu sang)) - hanh dang van dung phung van phan dau.
• Adding a wildcard symbol may retrieve word variants: theo ((khien dong) or (chieu sang)) - hanh dang van dung phung van phan dau*.