Perhaps you should try some spelling variations:
hanh tran » hanh trang, thanh tran, hanh tram
dung cong » dung trong
chu xanh » chu manh, chieu xanh, chua xang
tran van » luan van
van dung » van dong, xay dung, tin dung
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than
cua chu » sua chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: cua chu xanh - hanh tran van dung cong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cua chu xanh - hanh tran van dung cong ((dan toan) OR (dan than)) cau*.