Perhaps you should try some spelling variations:
passiv » passive, passiver
passiven » passiveen, passiveren, passive, passion
passiveieren » passiveeieren, passivereieren, passivieren, passionierten, passivierende
massiv » massive
massively » massiveely, massive
massivieren » massiveieren, 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 (((massiv OR passiven) OR massively) OR (passiveieren OR massivieren))).
• Adding a wildcard symbol may retrieve word variants: (passiv or (((massiv or passiven) or massively) or (passiveieren or massivieren)))*.