Perhaps you should try some spelling variations:
pro{acute}activas » pero{acute}activas, pro{acute}activos, pro{acute}activado, pro{acute}actives
prof{acute}cticas » perof{acute}cticas, prof{acute}acticas, prof{acute}icticas, prof{acute}eticas
proud{acute}cticas » peroud{acute}cticas, proud{acute}acticas, proud{acute}icticas, proud{acute}eticas
prod{acute}activa » perod{acute}activa, prol{acute}activa, prot{acute}activa, prd{acute}activa, prod{acute}active

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}activas or (prof{acute}cticas or proud{acute}cticas)) or prod{acute}activa) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((pro{acute}activas OR (prof{acute}cticas OR proud{acute}cticas)) OR prod{acute}activa) ;.
• Adding a wildcard symbol may retrieve word variants: ((pro{acute}activas or (prof{acute}cticas or proud{acute}cticas)) or prod{acute}activa) ;*.