Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu sach » chinh sach, chiet tach, chieu sang
thieu cac » hieu cac, thien cac, hieu ca
doanh cua » doanh luan
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu

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)) - doanh doanh cua dung cong dan ((chan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu cac) OR (chieu sach)) - doanh doanh cua dung cong dan ((chan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu cac) or (chieu sach)) - doanh doanh cua dung cong dan ((chan cau) or (phan cau))*.