Perhaps you should try some spelling variations:
pero{acute}cticas » pedro{acute}cticas, pero{acute}acticas, pero{acute}icticas, pero{acute}eticas
peru{acute}laeticas » peru{acute}elasticas, peru{acute}blasticas, peru{acute}eticas
profd{acute}lactica » prof{acute}lactica, proud{acute}lactica, profe{acute}lactica, profd{acute}tactica, profd{acute}lactico, profd{acute}practica
rol{acute}actina » rol{acute}activa, rol{acute}acting

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: ((pero{acute}cticas OR peru{acute}laeticas) OR (profd{acute}lactica OR rol{acute}actina)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((pero{acute}cticas or peru{acute}laeticas) or (profd{acute}lactica or rol{acute}actina)) ;*.