Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
hanh tung » thanh tung, manh tung, hanh dung
anh tang » anh bang, anh dang, anh nang
cua nang » chua nang, cua dang, cua hang
kha nang » phap nang, ky nang, ki nang
cong san » cong tac
san chan » san chang, dan chan, san chay
chan cau » phan cau, can cau, chinh cau

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 tung) or (anh tang)) ((cua nang) or (kha nang)) cong san chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((hanh tung) OR (anh tang)) ((cua nang) OR (kha nang)) cong san chan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((hanh tung) or (anh tang)) ((cua nang) or (kha nang)) cong san chan cau*.