Perhaps you should try some spelling variations:
pedro{acute}eticas » pedro{acute}eticos
pro{acute}activas » pero{acute}activas, pro{acute}activos, pro{acute}activa, pro{acute}activado
prod{acute}actica » perod{acute}actica, proud{acute}actica, prol{acute}actica, prot{acute}actica, prod{acute}tactica, prod{acute}lactica, prod{acute}activa
prof{acute}lactiva » perof{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: ((pedro{acute}eticas OR pro{acute}activas) OR (prod{acute}actica OR prof{acute}lactiva)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((pedro{acute}eticas or pro{acute}activas) or (prod{acute}actica or prof{acute}lactiva)) ;*.