Perhaps you should try some spelling variations:
passiv » passive, passiven
passiver » passiveer, passivener, passive, passiven, passively
passivene » passiveene, passivenene, passiven, passiveand, passiverer
passiverere » passiveerere, passivenerere, passiveere, passivenere, passivelyere, passiverer, passiverwerb, passivierende
passiverely » passiveerely, passivenerely, passiveely, passivenely, passivelyely, 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 passiver) OR ((passivene OR passiverere) OR passiverely)) OR massiv).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((passiv OR passiver) or ((passivene or passiverere) or passiverely)) or massiv)".
• Adding a wildcard symbol may retrieve word variants: (((passiv OR passiver) or ((passivene or passiverere) or passiverely)) or massiv)*.