Perhaps you should try some spelling variations:
pero{acute}cticas » pedro{acute}cticas, pero{acute}acticas, pero{acute}icticas, pero{acute}eticas
peru{acute}laacticas » peru{acute}laaacticas, peru{acute}laaicticas, peru{acute}laaeticas, peru{acute}lacticas, peru{acute}praacticas, peru{acute}plaasticas
prod{acute}lactica » proud{acute}lactica, prof{acute}lactica, pro{acute}lactica, prod{acute}tactica, prod{acute}lactico, prod{acute}practica
rol{acute}actina » rol{acute}activa, rol{acute}acting

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}cticas or peru{acute}laacticas) or (prod{acute}lactica or rol{acute}actina)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((pero{acute}cticas OR peru{acute}laacticas) OR (prod{acute}lactica OR rol{acute}actina)) ;.
• Adding a wildcard symbol may retrieve word variants: ((pero{acute}cticas or peru{acute}laacticas) or (prod{acute}lactica or rol{acute}actina)) ;*.