Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
van nhung » van nhuong, va nhung, van hung
khoan cam » khoa cam, khoan va, phan cam
ho chieu » theo chieu, hoc thieu, mot chieu
tran van » luan van
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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 (doi chieu)) sach - thanh tran van nhung cong san ((than cap) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - thanh tran van nhung cong san ((than cap) OR (khoan cam)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - thanh tran van nhung cong san ((than cap) or (khoan cam))*.