Perhaps you should try some spelling variations:
pro{acute}eticas » prof{acute}eticas, pro{acute}eticos
prod{acute}lactica » profd{acute}lactica, proud{acute}lactica, prof{acute}lactica, prol{acute}lactica, prod{acute}tactica, prod{acute}lactico, prod{acute}practica
pedro{acute}cticas » pedro{acute}acticas, pedro{acute}icticas, pedro{acute}aticas
pero{acute}actina » peru{acute}actina, pero{acute}activa, pero{acute}acting

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((pro{acute}eticas OR pedro{acute}cticas) OR (prod{acute}lactica OR pero{acute}actina)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((pro{acute}eticas OR pedro{acute}cticas) OR (prod{acute}lactica OR pero{acute}actina)) ;*.