Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
tran doanh » toan doanh, trai doanh, tran danh
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 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 (tran doanh)) cua nhung cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((doanh doanh) OR (tran doanh)) cua nhung cong tac phan cau*.