Perhaps you should try some spelling variations:
passiv » passive, massiv, passiver
passiven » passiveen, massiven, passiveren, passive, passion
passiveieren » passiveeieren, massiveieren, passivereieren, passivieren, passionierten, passivierende
massiven » massive, massiv
massively » massive
massivieren » passivieren, massivere, massigeren

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 (((massiven OR passiven) OR massively) OR (passiveieren OR massivieren))).
• Adding a wildcard symbol may retrieve word variants: (passiv or (((massiven or passiven) or massively) or (passiveieren or massivieren)))*.