Perhaps you should try some spelling variations:
passiv » passive, massiv, passiven
passivieren » passiveieren, massivieren, passivenieren, passivierende, passivierung, passieren
passivenely » passiveenely, massivenely, passivenenely, passively
passiveere » passiveeere, massiveere, passiveneere, passiver, massivere, passiverer

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: ((passiv OR (passivieren OR aktivierung)) OR (passivenely OR passiveere)).
• Adding a wildcard symbol may retrieve word variants: ((passiv or (passivieren or aktivierung)) or (passivenely or passiveere))*.