Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
cong thanh » dong thanh, cong trinh, truong thanh
cong quan » cuong quan, cong quang, tong quan
ho chieu » theo chieu, hoc thieu, mot chieu
quan dai » quang dai, quan doi, quan tai
cong tan » cong tac, cong san, cong ty
tran huu » tran duc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh cong quan dai ((cong thanh) or (cong tan)) tran huu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh cong quan dai ((cong thanh) OR (cong tan)) tran huu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh cong quan dai ((cong thanh) or (cong tan)) tran huu*.