Perhaps you should try some spelling variations:
rol{acute}proactiva » rol{acute}proactivas, rol{acute}proactivo, rol{acute}practiva, rol{acute}peroactiva, rol{acute}profactiva
prod{acute}cticas » proud{acute}cticas, prof{acute}cticas, prol{acute}cticas, prod{acute}acticas, prod{acute}icticas, prod{acute}eticas, perod{acute}cticas, profd{acute}cticas
pro{acute}actica » pero{acute}actica, prof{acute}actica, pro{acute}tactica, pro{acute}lactica, pro{acute}activa
profffd{acute}actina » perofffd{acute}actina, proffffd{acute}actina, profffd{acute}activa, profffd{acute}acting

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: ((rol{acute}proactiva OR prod{acute}cticas) OR (pro{acute}actica OR profffd{acute}actina)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((rol{acute}proactiva or prod{acute}cticas) or (pro{acute}actica or profffd{acute}actina)) ;*.