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
gian cham » gian cua, gian cac, gian ha
gian chau » gian cua, gian cac, tran chau
hoc dieu » hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
gian cau » gian cac, gian cam, gian cu

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 cham))) or (gian chau))~.
• 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 cham))) OR (gian chau)).
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - hanh doanh nhan nhung cong tan ((((gian cau) or (gian cham))) or (gian chau))*.