Perhaps you should try some spelling variations:
passiv » passive, massiv
passiven » passiveen, massiven, passive, passion
passivelye » passiveelye, massivelye, passively, massively, passivel
passiver » passiveer, massiver, passive, passively, passiert
passivieren » passiveieren, massivieren, passivierende, passivierung, passieren

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 passiven) OR ((passivelye OR passiver) OR passivieren))*.