Perhaps you should try some spelling variations:
passiv » passive, massiv
passiver » passiveer, massiver, passive, passively, passiert
passivenene » passiveenene, massivenene, passivierende, passiveene, passionene
passivierenden » passiveierenden, massivierenden, passivierende, passivierender, aktivierenden
passiven » passiveen, massiven, passive, passion
massiveand » passiveand, massiven

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 ((passivenene OR (passivierenden OR massiveand)) OR passiven))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((passiv OR passiver) or ((passivenene or (passivierenden or massiveand)) or passiven))*".