Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
van trong » van truong, vang trong, ban trong
tran van » luan van
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
ban cau » bang cau, ban can, van cau

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 (cuu tinh)) - thanh tran van trong ((cong dan) or (cong san)) ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (cuu tinh)) - thanh tran van trong ((cong dan) OR (cong san)) ban cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (cuu tinh)) - thanh tran van trong ((cong dan) or (cong san)) ban cau*.