Perhaps you should try some spelling variations:
passiv » massiv, passiven, passiver
passivenity » massivenity, passivenenity, passiverenity, passivity
passive » massive, passivene, passivere
passivierende » massivierende, passivenierende, passiverierende, passivierender, passivieren, aktivierende
passiveneand » massiveneand, passiveneneand, passivereneand, passiveand

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 (passivenity OR (passive OR massive))) OR (passivierende OR passiveneand)).
• Adding a wildcard symbol may retrieve word variants: ((passiv or (passivenity or (passive or massive))) or (passivierende or passiveneand))*.