Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu
hanh tang » hanh trang, anh tang, hanh mang
van nhung » van nhuong, va nhung, van hung
manh toan » anh tuan, tinh toan
tang van » dang van, hoang van, trong 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) or (hoc hien)) xanh - hanh tang van nhung cong ((manh toan) OR (thanh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - hanh tang van nhung cong ((manh toan) OR (thanh toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) xanh - hanh tang van nhung cong ((manh toan) OR (thanh toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) xanh - hanh tang van nhung cong ((manh toan) OR (thanh toan)) ban*.