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
hoa cong » cua cong, va cong, hoa co
toan cao » toan ban, toan tap
ho bien » pho bien, hoa bien, so bien

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho bien tinh - canh tranh ((hoc trong) or (hoa cong)) cong danh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - canh tranh ((hoc trong) OR (hoa cong)) cong danh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - canh tranh ((hoc trong) or (hoa cong)) cong danh toan cao*.