Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran 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 - ((anh huong) or (thanh cong)) cua dung cong tac tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((anh huong) OR (thanh cong)) cua dung cong tac tran cau*.