Perhaps you should try some spelling variations:
pero{acute}eticas » pedro{acute}eticas, peru{acute}eticas, pero{acute}eticos
pro{acute}activas » prof{acute}activas, pro{acute}activos, pro{acute}activa, pro{acute}activado
prod{acute}actica » profd{acute}actica, proud{acute}actica, prof{acute}actica, prol{acute}actica, prod{acute}tactica, prod{acute}activa, prod{acute}actina
prod{acute}lactica » profd{acute}lactica, proud{acute}lactica, prof{acute}lactica, prol{acute}lactica, prod{acute}ltactica, prod{acute}lactiva, prod{acute}lactina, prod{acute}tactica, prod{acute}lactico, prod{acute}practica

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}eticas OR pro{acute}activas) OR (prod{acute}actica OR prod{acute}lactica)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((pero{acute}eticas or pro{acute}activas) or (prod{acute}actica or prod{acute}lactica)) ;*.