Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan trong » quan trong, luat trong, luan tuong
cong tac » cong ty
tac gian » tac gia, tac giai, tac giam
gian cac » gian dan, gian cua

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 nganh) or (chieu xanh)) - hanh doanh luan trong cong tac gian cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu nganh) OR (chieu xanh)) - hanh doanh luan trong cong tac gian cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu nganh) or (chieu xanh)) - hanh doanh luan trong cong tac gian cac*.