Perhaps you should try some spelling variations:
passivierende » passivierender, passivieren, aktivierende
passivierenden » passivierendern, passivierenn, aktivierenden, passivierender, assistierenden
massiveand » passiveand, massiven
passiven » passion

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: (passive OR ((passivierende OR (passivierenden OR massiveand)) OR passiven))*.