Perhaps you should try some spelling variations:
doanh luan » doanh nhan
chieu sang » chieu sach, chieu xanh, hieu lang
luan trong » quan trong, luat trong, luan tuong
van doanh » toan doanh, van dong, van thanh
gian cham » gian cua, gian cac, gian ha
cong tac » cong ty
tac gian » tac gia, tac giai, tac giam

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

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