Perhaps you should try some spelling variations:
pro{acute}cticas » prof{acute}cticas, pro{acute}acticas, pro{acute}icticas, pro{acute}eticas
prod{acute}actica » profd{acute}actica, proud{acute}actica, prof{acute}actica, prol{acute}actica, prod{acute}tactica, prod{acute}lactica, prod{acute}activa
prod{acute}lactina » profd{acute}lactina, proud{acute}lactina, prof{acute}lactina, prol{acute}lactina, prod{acute}latina, prod{acute}lactica, prod{acute}actina
pero{acute}cticas » pero{acute}acticas, pero{acute}icticas, pero{acute}eticas, pedro{acute}cticas, peru{acute}cticas

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}cticas OR pero{acute}cticas) or (prod{acute}actica or prod{acute}lactina)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((pro{acute}cticas OR pero{acute}cticas) OR (prod{acute}actica OR prod{acute}lactina)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((pro{acute}cticas OR pero{acute}cticas) or (prod{acute}actica or prod{acute}lactina)) ;".
• Adding a wildcard symbol may retrieve word variants: ((pro{acute}cticas OR pero{acute}cticas) or (prod{acute}actica or prod{acute}lactina)) ;*.