Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chau tinh » cuu tinh, ha tinh, cua tinh
nang quan » ban quan
hung cong » nhung cong, hung cuong, phung cong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chau tinh) or (chieu sang)) - ganh ((nang quan) or (nang suat)) hung cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chau tinh) OR (chieu sang)) - ganh ((nang quan) OR (nang suat)) hung cong tac than cap.
• Adding a wildcard symbol may retrieve word variants: doi ((chau tinh) or (chieu sang)) - ganh ((nang quan) or (nang suat)) hung cong tac than cap*.