Perhaps you should try some spelling variations:
passiv » passive, massiv, passiven
passiveeren » passiveeeren, massiveeren, passiveneeren, passivieren, passieren, passiverer, passivierenn, passivern, massiveren
passiveere » passiveeere, massiveere, passiveneere, passivieren, passiver, massivere
massivierung » passivierung, passivierungs, massierung
massivenely » massively

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 (passiveeren OR massivierung)) OR (massivenely OR passiveere)).
• Adding a wildcard symbol may retrieve word variants: ((passiv or (passiveeren or massivierung)) or (massivenely or passiveere))*.