Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh tra, thanh tuan
nhung cong » dung cong, thong cong, nhung don
thanh toan » thanh hoa, thanh san
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
toc hieu » toc thieu, doc hieu, hoc thieu
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - thanh tran van ((nhung cong) or (hang cong)) ((thanh toan) OR (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - thanh tran van ((nhung cong) OR (hang cong)) ((thanh toan) OR (tinh toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc hieu manh - thanh tran van ((nhung cong) or (hang cong)) ((thanh toan) OR (tinh toan)) cao".
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - thanh tran van ((nhung cong) or (hang cong)) ((thanh toan) OR (tinh toan)) cao*.