Perhaps you should try some spelling variations:
passiv » massiv, passiven, passiver
passive » massive, passivene, passivere
passivieren » massivieren, passivenieren, passiverieren, passivierende, passivierung, passagieren
passiveand » massiveand, passiveneand, passivereand, passiven
passively » massively, passivenely, passiverely, passivity, passiven
passieren » passiert, passiven

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 ((passivieren OR passieren) OR passiveand)) OR passively))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(passiv or ((passive or ((passivieren OR passieren) or passiveand)) or passively))*".