Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
thanh tran » thanh trang, thanh tra, thanh tuan
nhung cong » dung cong, thong cong, nhung don
thanh toan » thanh hoa, tinh toan
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
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: hoc thieu manh - thanh tran van ((nhung cong) or (hang cong)) ((thanh toan) OR (thanh san)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - thanh tran van ((nhung cong) OR (hang cong)) ((thanh toan) OR (thanh san)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - thanh tran van ((nhung cong) or (hang cong)) ((thanh toan) OR (thanh san)) cao*".