Perhaps you should try some spelling variations:
pero{acute}icticas » pedro{acute}icticas, peru{acute}icticas, pero{acute}ictimas, pero{acute}acticas, pero{acute}cticas
perod{acute}ilacticas » pedrod{acute}ilacticas, perud{acute}ilacticas, perodo{acute}ilacticas, peron{acute}ilacticas, herod{acute}ilacticas, perod{acute}lacticas, perod{acute}didacticas, perod{acute}practicas, perod{acute}iltacticas, perod{acute}illacticas, perod{acute}ilactivas
prof{acute}activas » prof{acute}activos, prof{acute}activa, prof{acute}activado
prod{acute}actica » proud{acute}actica, pro{acute}actica, prol{acute}actica, prod{acute}tactica, prod{acute}lactica, prod{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: (((pero{acute}icticas or perod{acute}ilacticas) or prof{acute}activas) or prod{acute}actica) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((pero{acute}icticas OR perod{acute}ilacticas) OR prof{acute}activas) OR prod{acute}actica) ;.
• Adding a wildcard symbol may retrieve word variants: (((pero{acute}icticas or perod{acute}ilacticas) or prof{acute}activas) or prod{acute}actica) ;*.