Perhaps you should try some spelling variations:
passiv » passiven, passiver
passive » passivene, passivere
passivierende » passivenierende, passiverierende, passivierender, passivieren, aktivierende
passiveeierungr » passiveneeierungr, passivereeierungr, passivierung, passivierungs
massiv » massive
passieren » passiert, passiven

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 passive) OR massiv) OR (passieren OR passivierende)) OR passiveeierungr).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((passiv OR passive) or massiv) or (passieren or passivierende)) or passiveeierungr)".
• Adding a wildcard symbol may retrieve word variants: ((((passiv OR passive) or massiv) or (passieren or passivierende)) or passiveeierungr)*.