Perhaps you should try some spelling variations:
rol{acute}practiva » rol{acute}proactiva, rol{acute}practica, rol{acute}proactivas
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}lactima » perofffd{acute}lactima, proffffd{acute}lactima, profffd{acute}lactica, profffd{acute}lactama, profffd{acute}lastima

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