Perhaps you should try some spelling variations:
passiv » passive, passiven
passiver » passiveer, passivener, passive, passiven, passiert
passively » passiveely, passivenely, massively, passive, passivity
massiv » massive
massiveeen » massiveeeen, massivement, massiven, massivsten

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 massiv) OR passively) OR massiveeen)*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((passiv OR passiver) or massiv) or passively) or massiveeen)*".