Perhaps you should try some spelling variations:
passiv » passive, massiv, passiven
passivenely » passiveenely, massivenely, passivenenely
passively » passiveely, massively, passivenely, passive, passivity
passiviert » passiveiert, massiviert, passiveniert, passioniert, passivieren, passiert
massiven » massive, passiven, massively

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 (passivenely OR passively)) OR (massiven OR massiven)) OR passiviert).
• Adding a wildcard symbol may retrieve word variants: (((passiv or (passivenely or passively)) or (massiven or massiven)) or passiviert)*.