Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tram » hanh tam, hanh trang, thanh tran
van nhung » van nhuong, va nhung, van hung
manh toan » thanh toan, anh tuan, tinh toan
chu xanh » chu manh, chieu xanh, chua xang
tram van » tran van, tam van, trang van
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (ho manh)) - hanh tram van nhung cong ((dan than) or (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (ho manh)) - hanh tram van nhung cong ((dan than) OR (manh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (ho manh)) - hanh tram van nhung cong ((dan than) or (manh toan)) cao*.