Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh dang » hanh dong, anh dang, hanh dung
dang van » hoang van, hang va
dong san » cong san, dong bang, dong von
san van » tan van, luan van, tran van
van tan » van tuan, van ban, van tai
tan cao » toan cao, tao cao, tay cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) OR (chieu sang)) - hanh dang van dong san van tan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sang)) - hanh dang van dong san van tan cao".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sang)) - hanh dang van dong san van tan cao*.