Perhaps you should try some spelling variations:
passiv » passive, massiv, passiven
passiveren » passiveeren, massiveren, passiveneren, passivieren, passieren, passiverer
passively » passiveely, massively, passivenely, passive, passivity
passiveere » passiveeere, massiveere, passiveneere, passivieren, passiver, massivere

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