Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
hoc trong » hoc thuong, hoc tieng, dot trong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
toan tap » toan ban
ho bien » pho bien, hoa bien, so bien
va cong » tai cong, cua cong

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: ho bien tinh - canh tranh ((hoc trong) OR (va cong)) cong danh toan tap~.
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - canh tranh ((hoc trong) or (va cong)) cong danh toan tap*.