Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu hanh » thien chanh, thieu khang, thi hanh
nhan ung » phan ung, han ung, nham ung
ung cong » dung cong, luong cong, duong cong
cong dan » cong san, cong tan, huong dan
gian cau » gian chau, gian cam, gian cu
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 ((thieu hanh) OR (thien thanh)) - doanh doanh nhan ung cong dan ((gian cau) or (gian cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu hanh) OR (thien thanh)) - doanh doanh nhan ung cong dan ((gian cau) OR (gian cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu hanh) OR (thien thanh)) - doanh doanh nhan ung cong dan ((gian cau) or (gian cac))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu hanh) OR (thien thanh)) - doanh doanh nhan ung cong dan ((gian cau) or (gian cac))*.