Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
chieu sach » chinh sach, chiet tach, chieu sang
thieu cac » hieu cac, thien cac, hieu ca
doanh cua » doanh luan
trong dan » trong dang, trong san, trong tan
cua dung » cua dang, cua dong, qua dung
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: hoc ((thieu cac) or (chieu sach)) - canh doanh cua dung trong dan ((chan cau) OR (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu cac) OR (chieu sach)) - canh doanh cua dung trong dan ((chan cau) OR (can cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu cac) or (chieu sach)) - canh doanh cua dung trong dan ((chan cau) OR (can cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu cac) or (chieu sach)) - canh doanh cua dung trong dan ((chan cau) OR (can cau))*.