Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tran » thanh trang, thanh toan, thanh tra
tran van » luan van
van nang » van quang, van ban, van dong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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 sang - thanh tran van nang ((cong dan) or (cong tan)) ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh tran van nang ((cong dan) OR (cong tan)) ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh tran van nang ((cong dan) or (cong tan)) ((toan tap) or (toan ban))*.