Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhan nhung » nhien nhung, tham nhung, gian nhung
nhung cong » dung cong, thong cong, hang cong
hoc dieu » hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
gian cau » gian chau, gian cu, giay cau
gian cam » gian cham, gia cam, gian nam
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 dieu hanh - hanh doanh nhan nhung cong tan ((((gian cau) or (gian cam))) or (gian cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - hanh doanh nhan nhung cong tan ((((gian cau) OR (gian cam))) OR (gian cac)).
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - hanh doanh nhan nhung cong tan ((((gian cau) or (gian cam))) or (gian cac))*.