Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san than » sang than, san thanh, ban than
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) or (canh tranh)) ((cua dung) or (su dung)) cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((thanh trung) OR (canh tranh)) ((cua dung) OR (su dung)) cong san than cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((thanh trung) or (canh tranh)) ((cua dung) or (su dung)) cong san than cap*.