Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
truong dao » truong cao, truong bo
chong cong » cong cong, thong cong, cuong cong
hieu lang » hieu quang, nhieu tang, hieu van
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) or (hieu lang)) - thanh ((truong dao) or (truong dai)) chong cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - thanh ((truong dao) OR (truong dai)) chong cong san than cap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - thanh ((truong dao) or (truong dai)) chong cong san than cap*.