Perhaps you should try some spelling variations:
passiv » passive, passiven, passiver
passivene » passiveene, passivenene, passiverene, passiven, passiverer, passive
passiveand » passiveeand, passiveneand, passivereand, passiven
passivieren » passiveieren, passivenieren, passiverieren, passivierende, passivierung, passieren
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 ((passivene OR (passivene OR passiveand)) OR passivieren)).
• Adding a wildcard symbol may retrieve word variants: ((passiv or massiv) or ((passivene or (passivene or passiveand)) or passivieren))*.