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