Perhaps you should try some spelling variations:
pero{acute}lactinas » pedro{acute}lactinas, peru{acute}lactinas, pero{acute}latinas, pero{acute}lacticas, pero{acute}lactonas
prof{acute}cticas » prof{acute}acticas, prof{acute}icticas, prof{acute}eticas
pro{acute}active » pro{acute}activa
prod{acute}tactica » proud{acute}tactica, prol{acute}tactica, prot{acute}tactica, prod{acute}practica

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((pero{acute}lactinas or prof{acute}cticas) or (pro{acute}active or prod{acute}tactica)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((pero{acute}lactinas OR prof{acute}cticas) OR (pro{acute}active OR prod{acute}tactica)) ;.
• Adding a wildcard symbol may retrieve word variants: ((pero{acute}lactinas or prof{acute}cticas) or (pro{acute}active or prod{acute}tactica)) ;*.