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, pro{acute}cticas, prol{acute}cticas, prod{acute}acticas, prod{acute}icticas, prod{acute}eticas
prof{acute}lactica » prof{acute}tactica, prof{acute}lactico, prof{acute}practica
proffd{acute}latina » proffd{acute}latin

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