Perhaps you should try some spelling variations:
pro{acute}eticas » pero{acute}eticas, pro{acute}eticos
prof{acute}practica » perof{acute}practica
prod{acute}actina » perod{acute}actina, proud{acute}actina, prol{acute}actina, prot{acute}actina, prod{acute}activa, prod{acute}acting
pedro{acute}cticas » pedro{acute}acticas, pedro{acute}icticas, pedro{acute}aticas

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}eticas OR pedro{acute}cticas) OR (prof{acute}practica OR prod{acute}actina)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((pro{acute}eticas or pedro{acute}cticas) or (prof{acute}practica or prod{acute}actina)) ;*.