Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, te sach, viet sach
dien sach » dien anh
doanh cua » doanh luan
cua nhung » va nhung
cong san » cong tac
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (dien sach)) - doanh doanh cua nhung cong san ((toan tap) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sach) OR (dien sach)) - doanh doanh cua nhung cong san ((toan tap) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) OR (dien sach)) - doanh doanh cua nhung cong san ((toan tap) or (toan ban))*.