Perhaps you should try some spelling variations:
prol{acute}lacticas » rol{acute}lacticas, prof{acute}lacticas, prol{acute}tacticas, prol{acute}lactica, prol{acute}practicas, perol{acute}lacticas, profl{acute}lacticas
prod{acute}eticos » proud{acute}eticos, prof{acute}eticos, prot{acute}eticos, perod{acute}eticos, profd{acute}eticos
pro{acute}activa » pero{acute}activa, prof{acute}activa, pro{acute}active
profe{acute}practica » perofe{acute}practica, proffe{acute}practica, prof{acute}practica, prose{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: ((prol{acute}lacticas OR prod{acute}eticos) OR (pro{acute}activa OR profe{acute}practica)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((prol{acute}lacticas or prod{acute}eticos) or (pro{acute}activa or profe{acute}practica)) ;*.