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 ban » cong bang, cong tan, dong ban
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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: ho chieu sang - thanh trung van hung ((((cong ban) OR (cong dan))) or (cong san)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung van hung ((((cong ban) OR (cong dan))) OR (cong san)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung van hung ((((cong ban) OR (cong dan))) or (cong san)) than cap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung van hung ((((cong ban) OR (cong dan))) or (cong san)) than cap*.