Perhaps you should try some spelling variations:
passiv » passive, passiven, passiver
passiveand » passiveeand, passiveneand, passivereand, passiven
passivereere » passiveereere, passivenereere, passiverereere, passiverer, passiverwerb, passivierende
passiverely » passiveerely, passivenerely, passivererely, passively, passiverer, passiverwerb
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 ((passiveand OR passivereere) OR passiverely)) OR massiv).
• Adding a wildcard symbol may retrieve word variants: ((passiv or ((passiveand or passivereere) or passiverely)) or massiv)*.