Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dung cong » dung trong
chan thap » chuan tham, chat thai, chan hai
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
chan tha » chan ta, chuan tham, chat thai

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: doc ((chieu xanh) OR (chieu sang)) - canh doanh cua dung cong san ((chan thap) OR (chan tha))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((chieu xanh) OR (chieu sang)) - canh doanh cua dung cong san ((chan thap) or (chan tha))~".
• Adding a wildcard symbol may retrieve word variants: doc ((chieu xanh) OR (chieu sang)) - canh doanh cua dung cong san ((chan thap) or (chan tha))*.