Perhaps you should try some spelling variations:
prol{acute}tacticas » rol{acute}tacticas, prof{acute}tacticas, prol{acute}practicas, perol{acute}tacticas, profl{acute}tacticas
perof{acute}eticas » pero{acute}eticas, prof{acute}eticas, peron{acute}eticas, perof{acute}eticos
pro{acute}activa » pero{acute}activa, prof{acute}activa, pro{acute}active
prat{acute}tactica » prats{acute}tactica, prat{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}tacticas OR perof{acute}eticas) OR (pro{acute}activa OR prat{acute}tactica)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((prol{acute}tacticas OR perof{acute}eticas) OR (pro{acute}activa OR prat{acute}tactica)) ;".
• Adding a wildcard symbol may retrieve word variants: ((prol{acute}tacticas OR perof{acute}eticas) OR (pro{acute}activa OR prat{acute}tactica)) ;*.