Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
tran van » luan van
toan cao » toan ban
toan tap » toan 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 tieu tinh - thanh tran van ((nhung cong) or (thong cong)) dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - thanh tran van ((nhung cong) OR (thong cong)) dan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - thanh tran van ((nhung cong) or (thong cong)) dan ((toan cao) or (toan tap))*.