Perhaps you should try some spelling variations:
passiv » passive, passiven, passiver
passivierende » passiveierende, passivenierende, passiverierende, passivierender, passivieren, aktivierende
passiveeierungr » passiveeeierungr, passiveneeierungr, passivereeierungr, passivierung
passivierungs » passiveierungs, passivenierungs, passiverierungs, passivierung, aktivierungs, passivieren
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 massiv) OR (passieren OR passivierende)) OR (passiveeierungr OR passivierungs)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((passiv or massiv) or (passieren or passivierende)) or (passiveeierungr OR passivierungs))".
• Adding a wildcard symbol may retrieve word variants: (((passiv or massiv) or (passieren or passivierende)) or (passiveeierungr OR passivierungs))*.