Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
luan dang » luan nang, luan danh, luan dong
dang cong » dung cong
cong tac » cong ty
tac gian » tac gia, tac giai, tac giam
gian ban » gian bana, gian dan, gian lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien nhanh - hanh doanh luan dang cong tac gian ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh doanh luan dang cong tac gian ban*.