Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hanh tranh » canh tranh, hanh trinh, hanh trang
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doan van » doan va, hoang van, luan van
dao van » do van, dang van

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 - hanh tranh cua nhung phuong ((dao van) OR (doan van)) ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh tranh cua nhung phuong ((dao van) or (doan van)) ban*.