Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung tuong » nhung huong, hung vuong, nhung cong
hien xanh » hien hanh, hien nhanh, chieu xanh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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 - canh manh cua ((nhung tuong) or (nhung phuong)) van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh manh cua ((nhung tuong) OR (nhung phuong)) van toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh manh cua ((nhung tuong) or (nhung phuong)) van toan cao*.