Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
hien manh » hien hanh, tien manh, hieu manh
van hoang » van hoan, quan hoang, tran hoang
tran van » luan van
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan tap
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: hoc hien manh - thanh tran van hoang ((cong tan) or (cong san)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - thanh tran van hoang ((cong tan) OR (cong san)) ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - thanh tran van hoang ((cong tan) or (cong san)) ((toan cao) or (toan ban))*.