Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh dung » thanh dung, anh dung, hanh dong
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, manh toan, xuan toan
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: ho chieu xanh - hanh dung luan nang cong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh dung luan nang cong ((dan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh dung luan nang cong ((dan toan) or (dan than)) cau*.