Perhaps you should try some spelling variations:
rol{acute}praacticas » rol{acute}practicas, rol{acute}practica, rol{acute}practicos, rol{acute}praaacticas, rol{acute}praaicticas, rol{acute}praaaticas, rol{acute}pratacticas, rol{acute}pralacticas, rol{acute}praactivas
perod{acute}eticas » perodo{acute}eticas, pero{acute}eticas, peron{acute}eticas, perod{acute}eticos
pro{acute}cticas » pero{acute}cticas, prof{acute}cticas, pro{acute}acticas, pro{acute}icticas, pro{acute}aticas
profd{acute}actica » perofd{acute}actica, proffd{acute}actica, prof{acute}actica, proud{acute}actica, profe{acute}actica, profd{acute}tactica, profd{acute}lactica, profd{acute}activa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((rol{acute}praacticas or (perod{acute}eticas or pro{acute}cticas)) or profd{acute}actica) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((rol{acute}praacticas OR (perod{acute}eticas OR pro{acute}cticas)) OR profd{acute}actica) ;.
• Adding a wildcard symbol may retrieve word variants: ((rol{acute}praacticas or (perod{acute}eticas or pro{acute}cticas)) or profd{acute}actica) ;*.