Perhaps you should try some spelling variations:
pero{acute}laeticas » pedro{acute}laeticas, peru{acute}laeticas, pero{acute}elasticas, pero{acute}blasticas, pero{acute}eticas
pro{acute}acticas » pro{acute}tacticas, pro{acute}lacticas, pro{acute}facticas, pro{acute}activas
prod{acute}actica » proud{acute}actica, prol{acute}actica, prot{acute}actica, prod{acute}tactica, prod{acute}lactica, prod{acute}activa
prof{acute}lactiva » prof{acute}activa, prof{acute}lactica, prof{acute}lactima

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}laeticas OR pro{acute}acticas) OR (prod{acute}actica OR prof{acute}lactiva)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((pero{acute}laeticas or pro{acute}acticas) or (prod{acute}actica or prof{acute}lactiva)) ;*.