Perhaps you should try some spelling variations:
passiv » passiven, passiver
passive » passivene, passivere
passivierende » passivenierende, passiverierende, passivierender, passivieren, aktivierende
passivenene » passivenenene, passiverenene
massiv » 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 massiv) OR passive) OR passivierende) OR passivenene)*.