Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
tang cong » tang cuong, trang cong, dang cong
than cao » toan cao, thai cao, than cap
cong ha » cong hoa, dong ha, cong tac
ha tang » phap tang, cao tang, kho tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sang)) - thanh cong ha tang cong thanh than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - thanh cong ha tang cong thanh than cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - thanh cong ha tang cong thanh than cao*.