Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
dung cong » dung trong
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, chinh cau, nhanh cau
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho trieu) or (30 trieu)) tinh - canh doanh cua dung cong dan ((chan cau) OR (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - canh doanh cua dung cong dan ((chan cau) OR (can cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) or (30 trieu)) tinh - canh doanh cua dung cong dan ((chan cau) OR (can cau))".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (30 trieu)) tinh - canh doanh cua dung cong dan ((chan cau) OR (can cau))*.