Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung van » truong van, trong van, trung va
ho chieu » theo chieu, hoc thieu, doi chieu
van hung » van dung, manh hung, van duong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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 trung van hung ((cong tan) or (cong san)) ((than cap) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung van hung ((cong tan) OR (cong san)) ((than cap) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung van hung ((cong tan) or (cong san)) ((than cap) or (khan cap))*.