Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
cong cong » cong dong, trong cong, dung cong
thanh cap » hanh cap, than cap, thanh ca
thanh lap » thanh san, phan lap, thanh hai
cong tan » cong tac, cong san, cong thanh

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 sach) or (chieu sang)) - thanh trung cua cong cong tan ((thanh cap) OR (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - thanh trung cua cong cong tan ((thanh cap) OR (thanh lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu sang)) - thanh trung cua cong cong tan ((thanh cap) OR (thanh lap))*".