Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh thanh, dong doanh
doanh hoan » doanh khoa, doanh nhan, doanh luan
hien xanh » hien hanh, hien nhanh, chieu xanh
hang cong » dang cong, hang nong, bang cong
van hang » van khang, van hoang, van thang
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - ((doanh doanh) or (doanh hoan)) van hang cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((doanh doanh) OR (doanh hoan)) van hang cong tac phan cau*.