Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu sach » chinh sach, chiet tach, chieu sang
doanh gian » doanh giao, doanh giai, dan gian
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong tac » cong ty
tac giam » tac gia, tac giai, tac pham
giam cac » gian cac, giai cac, giam sat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (chieu sach)) - hanh doanh gian trong cong tac giam cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu sach)) - hanh doanh gian trong cong tac giam cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu sach)) - hanh doanh gian trong cong tac giam cac*.