Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhan hung » nhanh hung, phan hung, thanh hung
hoc dieu » hoc thieu, hoc hien
nhan ung » phan ung, han ung, nham ung
cong dan » cong san, cong tan, huong dan
gian cau » gian chau, gian cac, gian cam
gian cua » gian xu, ban 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 - doanh doanh ((nhan hung) OR (nhan ung)) cong dan ((gian cau) or (gian cua))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - doanh doanh ((nhan hung) OR (nhan ung)) cong dan ((gian cau) OR (gian cua))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc dieu hanh - doanh doanh ((nhan hung) OR (nhan ung)) cong dan ((gian cau) or (gian cua))*".