Perhaps you should try some spelling variations:
pro{acute}cticas » pero{acute}cticas, prof{acute}cticas, pro{acute}acticas, pro{acute}icticas, pro{acute}eticas
profd{acute}lactico » perofd{acute}lactico, proffd{acute}lactico, prof{acute}lactico, proud{acute}lactico, profe{acute}lactico, profd{acute}practico
peru{acute}lacticas » peru{acute}laacticas, peru{acute}laicticas, peru{acute}laeticas, peru{acute}tacticas, peru{acute}lactica, peru{acute}practicas
rol{acute}activa » rol{acute}active

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: ((pro{acute}cticas OR peru{acute}lacticas) OR (profd{acute}lactico OR rol{acute}activa)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((pro{acute}cticas or peru{acute}lacticas) or (profd{acute}lactico or rol{acute}activa)) ;*.