Perhaps you should try some spelling variations:
pro{acute}acticas » pero{acute}acticas, prof{acute}acticas, pro{acute}lacticas, pro{acute}facticas, pro{acute}activas
peron{acute}tacticas » peron{acute}tlacticas, peron{acute}tfacticas, peron{acute}tactivas, peron{acute}practicas, pero{acute}tacticas, ceron{acute}tacticas
perof{acute}tactica » pero{acute}tactica, prof{acute}tactica, perof{acute}practica
perot{acute}tactica » perot{acute}practica, perote{acute}tactica, perrot{acute}tactica, pero{acute}tactica

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

• Performing a fuzzy search may retrieve terms with similar spellings: (pro{acute}acticas or ((perof{acute}tactica OR perot{acute}tactica) or peron{acute}tacticas)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (pro{acute}acticas OR ((perof{acute}tactica OR perot{acute}tactica) OR peron{acute}tacticas)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(pro{acute}acticas or ((perof{acute}tactica OR perot{acute}tactica) or peron{acute}tacticas)) ;".
• Adding a wildcard symbol may retrieve word variants: (pro{acute}acticas or ((perof{acute}tactica OR perot{acute}tactica) or peron{acute}tacticas)) ;*.