Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
doanh gian » doanh giao, doanh giai, dan gian
gian nhung » gian vung, gioi nhung
hieu sach » chieu sach, hieu cach, dien sach
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cac » phan dau, phan lap, phan van

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

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