Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hien xanh » hien hanh, hien nhanh, chieu xanh
doanh cua » doanh luan
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan dau » phan dau, han dau, chuan dao
doanh » toanh, soanh, hoanh
doan » toan, soan, hoan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - canh doanh cua nhung ((cong dan) OR (cong tan)) ((chan dau) or (chan doan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh doanh cua nhung ((cong dan) OR (cong tan)) ((chan dau) OR (chan doan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - canh doanh cua nhung ((cong dan) OR (cong tan)) ((chan dau) or (chan doan))".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh doanh cua nhung ((cong dan) OR (cong tan)) ((chan dau) or (chan doan))*.