Perhaps you should try some spelling variations:
prol{acute}practivas » rol{acute}practivas, prol{acute}proactivas, prol{acute}practicas, prol{acute}practiva, perol{acute}practivas
prof{acute}cticas » prof{acute}acticas, prof{acute}icticas, prof{acute}eticas, perof{acute}cticas
pro{acute}ieticas » pero{acute}ieticas, pro{acute}eticas, pro{acute}beticas, pro{acute}teticas
profe{acute}actica » perofe{acute}actica, prose{acute}actica, profe{acute}tactica, profe{acute}lactica, profe{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: ((prol{acute}practivas OR (prof{acute}cticas OR pro{acute}ieticas)) OR profe{acute}actica) ;~.
• Adding a wildcard symbol may retrieve word variants: ((prol{acute}practivas or (prof{acute}cticas or pro{acute}ieticas)) or profe{acute}actica) ;*.