Perhaps you should try some spelling variations:
passiv » passiven, passiver
passive » passivene, passivere
passivenere » passivenenere, passiverenere, passiverer, passiverwerb
passiverly » passivenerly, passivererly, passively, passiver, passivel
passivererwerb » passivenererwerb, passiverererwerb, 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 ((passive OR passivenere) OR (passiverly OR passivererwerb))) OR massiv).
• Adding a wildcard symbol may retrieve word variants: ((passiv or ((passive or passivenere) or (passiverly or passivererwerb))) or massiv)*.