Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
tieu xanh » tieu danh, chieu xanh, dieu hanh
cua trong » cua truong, cua trung, qua trong
hoan cua » hoa cua, toan cua, han cua
cong dan » cong san, cong tan, huong dan
phan cau » phan tu, phan lap, toan cau
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - doanh hoan cua trong cong dan ((((phan cau) OR (phan cac))) OR (phan dau))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - doanh hoan cua trong cong dan ((((phan cau) or (phan cac))) or (phan dau))*.