Perhaps you should try some spelling variations:
rol{acute}practiva » rol{acute}proactiva, rol{acute}practica, rol{acute}proactivas
prod{acute}icticas » proud{acute}icticas, prof{acute}icticas, prol{acute}icticas, prod{acute}ictimas, prod{acute}acticas, prod{acute}cticas, perod{acute}icticas, profd{acute}icticas
pro{acute}lactica » pero{acute}lactica, prof{acute}lactica, pro{acute}tactica, pro{acute}lactico, pro{acute}practica
proffd{acute}active » peroffd{acute}active, profffd{acute}active, proffd{acute}activa

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}icticas) OR (pro{acute}lactica OR proffd{acute}active)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((rol{acute}practiva or prod{acute}icticas) or (pro{acute}lactica or proffd{acute}active)) ;*.