Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh danh » anh danh, canh dan, canh tranh
dung cong » dung trong
danh qua » hanh qua, doanh quan, manh quan
qua dung » quang dung, su dung, qua song
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - canh danh qua dung cong tan phan tu~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - canh danh qua dung cong tan phan tu*.