Perhaps you should try some spelling variations:
perod » perodo, peron, perot, pedrod, perud
herod » herode, herold, heroe
pedrofunda » profunda
proffundo » profundo, profunda, profundos
profound » profunda, profundo, pronoun
pero » pedro, peru
{acute}activa » {acute}active

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((perod OR herod) OR prof) OR (pedrofunda OR (proffundo OR profound))) OR pero){acute}activa ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((perod OR herod) or prof) or (pedrofunda or (proffundo or profound))) or pero){acute}activa ;~".
• Adding a wildcard symbol may retrieve word variants: ((((perod OR herod) or prof) or (pedrofunda or (proffundo or profound))) or pero){acute}activa ;*.