Perhaps you should try some spelling variations:
pro{acute}laacticas » pro{acute}lacticas, pro{acute}praacticas, pro{acute}plaasticas, pro{acute}laaacticas, pro{acute}laaicticas, pro{acute}laaeticas
rol{acute}cticas » rol{acute}acticas, rol{acute}icticas, rol{acute}eticas
pero{acute}tactica » pedro{acute}tactica, peru{acute}tactica, pero{acute}practica
prof{acute}lactica » prof{acute}lactico, prof{acute}practica, prof{acute}tacticas

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

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