Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
thanh tran » thanh trang, thanh tra, thanh tuan
nhung cong » dung cong, thong cong, nhung don
thanh toan » thanh hoa, thanh san, tinh toan
hang cong » dang cong, hang nong, bang cong
doc hieu » toc thieu, hoc thieu, hoc hien
tran van » luan van
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu nganh - thanh tran van ((nhung cong) or (hang cong)) thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - thanh tran van ((nhung cong) OR (hang cong)) thanh toan cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - thanh tran van ((nhung cong) or (hang cong)) thanh toan cao*.