Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
hoi hieu » hoi phieu, hoi tieu, moi hieu
gian cap » gian cac, gian cham, gian chau
gian cam » gian cham, gian cac, gia cam

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

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