Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua nhung » va nhung
hieu cua » hieu qua, dieu cua, bieu cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap
hieu ca » hieu cac, hieu va, hieu xa

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

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