Perhaps you should try some spelling variations:
pero{acute}tacticas » pedro{acute}tacticas, pero{acute}tactica, pero{acute}practicas
peru{acute}iaticas » peru{acute}aticas, peru{acute}asiaticas, peru{acute}bioticas
prod{acute}lactico » proud{acute}lactico, prof{acute}lactico, pro{acute}lactico, prod{acute}practico
prol{acute}actina » rol{acute}actina, prof{acute}actina, pro{acute}actina, prol{acute}activa, prol{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}tacticas or peru{acute}iaticas) or (prod{acute}lactico or prol{acute}actina)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((pero{acute}tacticas OR peru{acute}iaticas) OR (prod{acute}lactico OR prol{acute}actina)) ;.
• Adding a wildcard symbol may retrieve word variants: ((pero{acute}tacticas or peru{acute}iaticas) or (prod{acute}lactico or prol{acute}actina)) ;*.