Perhaps you should try some spelling variations:
passiv » passive, massiv, passiven
passivener » passiveener, massivener, passivenener, passiverer, passiven, passiver
passiviert » passiveiert, massiviert, passiveniert, passioniert, passivieren, passiert
passiveand » passiveeand, massiveand, passiveneand, passiven
massiver » massive, massiven, passiver
massiveene » massivement, massiven, 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 ((passivener OR massiver) OR passiviert)) OR (massiveene OR passiveand)).
• Adding a wildcard symbol may retrieve word variants: ((passiv or ((passivener or massiver) or passiviert)) or (massiveene or passiveand))*.