Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh thanh » canh tranh, danh thanh, anh thanh
doi chieu » doc hieu, doi chi, ho chieu
thanh qua » thanh quan, thanh qui, hanh qua
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
phan dau » phan tu, hang dau

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 - canh thanh qua dung cong dan ((than cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh thanh qua dung cong dan ((than cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh thanh qua dung cong dan ((than cau) or (phan dau))*.