Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
nhan dung » chan dung, nhan dang, ngan dung
dung cong » dung trong
gian chau » gian cham, gian cua, gian cac
cong dan » cong san, cong tan, huong dan
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 ((hieu manh) OR (chieu xanh)) - hanh doanh nhan dung cong dan ((gian cau) or (gian chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu xanh)) - hanh doanh nhan dung cong dan ((gian cau) OR (gian chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (chieu xanh)) - hanh doanh nhan dung cong dan ((gian cau) or (gian chau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) OR (chieu xanh)) - hanh doanh nhan dung cong dan ((gian cau) or (gian chau))*.