Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh vap » trinh van, trinh vat, trinh va
dung cong » dung trong
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
vap dung » van dung, ap dung, va dung
toan ban » van ban
ho bien » pho bien, hoa bien, bo bien
so bien » mot bien

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) OR (((so bien) OR (che bien)))) tinh - canh trinh vap dung cong dang toan ban~.
• Adding a wildcard symbol may retrieve word variants: ((ho bien) or (((so bien) or (che bien)))) tinh - canh trinh vap dung cong dang toan ban*.