Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung van » truong van, trong van, trung va
van hoang » van hoan, quan hoang, tran hoang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - thanh trung van hoang ((cong dan) or (cong tan)) ((than cap) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh trung van hoang ((cong dan) OR (cong tan)) ((than cap) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung van hoang ((cong dan) or (cong tan)) ((than cap) or (phan cac))*.