Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan thong » luan phong, luan tuong, luat thong
thong cong » trong cong, tong cong, thong thong
cong tan » cong tac, cong san, cong thanh
chan dau » phan dau, han dau, chuan dao
doanh » danh, toanh, soanh
doan » dan, toan, soan

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) or (chieu sach)) - canh doanh luan thong cong tan ((chan dau) OR (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - canh doanh luan thong cong tan ((chan dau) OR (chan doan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sach)) - canh doanh luan thong cong tan ((chan dau) OR (chan doan))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sach)) - canh doanh luan thong cong tan ((chan dau) OR (chan doan))*.