Perhaps you should try some spelling variations:
prol{acute}acticas » rol{acute}acticas, prof{acute}acticas, prol{acute}tacticas, prol{acute}lacticas, prol{acute}facticas, profl{acute}acticas, prol{acute}aicticas, prol{acute}aeticas, prol{acute}aaticas
pro{acute}cticas » prof{acute}cticas, pro{acute}icticas, pro{acute}eticas, pro{acute}aticas
pero{acute}actina » pedro{acute}actina, peru{acute}actina, pero{acute}activa, pero{acute}acting
peron{acute}tactica » pedron{acute}tactica, perun{acute}tactica, ceron{acute}tactica, peron{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: ((prol{acute}acticas or pro{acute}cticas) or (pero{acute}actina or peron{acute}tactica)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((prol{acute}acticas OR pro{acute}cticas) OR (pero{acute}actina OR peron{acute}tactica)) ;.
• Adding a wildcard symbol may retrieve word variants: ((prol{acute}acticas or pro{acute}cticas) or (pero{acute}actina or peron{acute}tactica)) ;*.