Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tran » thanh trang, thanh toan, thanh tra
ho chieu » hoc thieu, doi chieu, mot chieu
tran van » luan van
van hang » van khang, van hoang, van thang
cong dan » cong san, cong tan, cong dong
than cau » toan cau, phan cau, than cap

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