Perhaps you should try some spelling variations:
passiv » passive, massiv, passiven
passivenere » passiveenere, massivenere, passivenenere, passiverer, passiverwerb
passively » passiveely, massively, passivenely, passive, passivity, passivey, passiveny, passivery
passivel » passiveel, massivel, passivenel, passive, passiven, passiver
massiven » massive, passiven, massively
massiver » massive, passiver, massively

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 ((passivenere OR massiven) OR ((passively OR passivel) OR massiver))).
• Adding a wildcard symbol may retrieve word variants: (passiv or ((passivenere or massiven) or ((passively or passivel) or massiver)))*.