Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
thieu sach » chieu sach, hieu cach, theo sach
thien hach » thien thanh, hien hanh
cuc phuong » cac phuong, cuu phuong, cua phuong
hua khong » hoa khong, cua khong, hoac khong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than man » than ma, thanh san, tran manh

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 sach) OR (thien hach)) - chinh doanh ((cuc phuong) or (hua khong)) cong dan than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (thien hach)) - chinh doanh ((cuc phuong) OR (hua khong)) cong dan than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (thien hach)) - chinh doanh ((cuc phuong) or (hua khong)) cong dan than man".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) OR (thien hach)) - chinh doanh ((cuc phuong) or (hua khong)) cong dan than man*.