Perhaps you should try some spelling variations:
passiv » passive, passiven
passiveere » passiveeere, passiveneere, passivieren, massivere, passiverer
passively » passiveely, passivenely, passive, passivity, passiven
passiver » passiveer, passivener, passive, passiven, passiert
massiv » massive
massively » massiveely, massive

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 ((passiveere OR massiv) OR (passively OR (passiver OR massively)))).
• Adding a wildcard symbol may retrieve word variants: (passiv or ((passiveere or massiv) or (passively or (passiver or massively))))*.