Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
dung cong » dung trong
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
thanh ca » thanh cha, thanh cac, thanh ha
tung va » trung va, tuong va, dung va
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (chieu sang)) - thanh tung va dung cong san ((than cap) or (thanh ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chieu sang)) - thanh tung va dung cong san ((than cap) OR (thanh ca)).
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chieu sang)) - thanh tung va dung cong san ((than cap) or (thanh ca))*.