Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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 (hieu qua))) OR (chieu sach)) - canh tranh cua hang cong tac phan cau~.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) or (hieu qua))) or (chieu sach)) - canh tranh cua hang cong tac phan cau*.