Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
chau tinh » cuu tinh, ha tinh, cua tinh
ben trong » bien trong, ban trong, binh trong
tran ben » trang bien, tranh bien, trien ben
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
can cau » van cau, ban cau, ca 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 (chau tinh)) - thanh tran ben trong ((cong dan) or (cong san)) can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chau tinh)) - thanh tran ben trong ((cong dan) OR (cong san)) can cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chau tinh)) - thanh tran ben trong ((cong dan) or (cong san)) can cau*.