Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung cong, nhung dung
nhung tuong » nhung phuong, hung vuong, nhung cong
hien nhanh » hien hanh, thien thanh, tien thanh
tranh cua » doanh cua, manh cua
van thanh » ban thanh, van tuan
van toan » van tuan, van tan, manh toan

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 nhanh - canh tranh cua ((nhung huong) OR (nhung tuong)) ((van toan) OR (van thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - canh tranh cua ((nhung huong) OR (nhung tuong)) ((van toan) or (van thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - canh tranh cua ((nhung huong) OR (nhung tuong)) ((van toan) or (van thanh)) cau*.