Perhaps you should try some spelling variations:
pro{acute}acticas » pero{acute}acticas, prof{acute}acticas, pro{acute}tacticas, pro{acute}lacticas, pro{acute}facticas
perof{acute}tactica » pero{acute}tactica, prof{acute}tactica, perot{acute}tactica, perof{acute}practica
peron{acute}tactica » peron{acute}practica, pero{acute}tactica, ceron{acute}tactica
perod{acute}lactica » perodo{acute}lactica, pero{acute}lactica, herod{acute}lactica, perod{acute}lactico, perod{acute}practica, perod{acute}tacticas

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