Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
luan chung » luan chinh
doi chieu » doc hieu, doi chi, ho chieu
hanh tang » hanh trang, anh tang, hanh mang
luan ung » luan hung, luon ung, luan luong
dan toan » van toan, dan than, manh toan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh tang ((luan ung) or (luan chung)) cong ((dan toan) or (ban than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh tang ((luan ung) OR (luan chung)) cong ((dan toan) OR (ban than)) cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh tang ((luan ung) or (luan chung)) cong ((dan toan) or (ban than)) cao*.