Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh thanh, dong doanh
doanh hoan » doanh khoa, doanh nhan, doanh luan
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
cua nhung » va nhung
cong tac » cong ty
tac phat » tac pham, tam phat, tan phat
phat cau » phan cau, pha cau, phap cau

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: hoc hien xanh - ((doanh doanh) OR (doanh hoan)) cua nhung cong tac phat cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((doanh doanh) or (doanh hoan)) cua nhung cong tac phat cau*.