Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
nhung cong » dung cong, thong cong, hang cong
van nhung » van nhuong, va nhung, van hung
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
tran van » luan van
dan toan » van toan, dan than, manh toan

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 sang - thanh tran van nhung cong ((dan toan) or (anh tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sang - thanh tran van nhung cong ((dan toan) OR (anh tuan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo chu sang - thanh tran van nhung cong ((dan toan) or (anh tuan)) cao*.