Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
khong huong » khong xuong, thong huong, thong thuong
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
doanh cua » doanh luan
cua khong » hua khong, cua phuong, cua thuong
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (chieu sach)) - chinh doanh cua khong huong dan than ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) OR (chieu sach)) - chinh doanh cua khong huong dan than ban*.