Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
tranh luat » trinh luat, tranh luan, trinh luan
nhung hong » nhung huong, nhung phong, nhung cong
bien tinh » bi tinh, yen tinh, ban tinh
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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 ((bien tinh) OR (diep tinh)) - canh tranh luat ((nhung hong) OR (nhung chong)) van tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((bien tinh) or (diep tinh)) - canh tranh luat ((nhung hong) OR (nhung chong)) van tuan ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((bien tinh) or (diep tinh)) - canh tranh luat ((nhung hong) OR (nhung chong)) van tuan ban*.