Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
toan cao » toan tap

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: doi chieu xanh - canh manh cua dung ((cong dan) OR (cong tan)) ((toan ban) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh manh cua dung ((cong dan) or (cong tan)) ((toan ban) or (toan cao))*.