Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
phung cong » nhung cong, phong cong, nhung chong
doi chieu » doc hieu, doi chi, mot chieu
van phung » van phong, van hung, van chuong
ho chieu » theo chieu, hoc thieu, mot chieu
tran van » luan van
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, 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: ((doi chieu) or (ho chieu)) sach - thanh tran van phung cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - thanh tran van phung cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) sach - thanh tran van phung cong dan than cao*.