Perhaps you should try some spelling variations:
passiv » passive, massiv, passiven
passivene » passiveene, massivene, passivenene, passiven, passiveand, passiverer
passivierende » passiveierende, massivierende, passivenierende, passivierender, aktivierende, passivierung, passivierungde, passierende, passagierende
passivierungde » passiveierungde, massivierungde, passivenierungde, passivierung, passivierungs, passivierender
passivieren » passiveieren, massivieren, passivenieren, passivierung, passieren, passagieren
massiverer » massivere, massierer, passiverer

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 ((passivene OR ((passivierende OR passivierungde) OR passivieren)) OR massiverer)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(passiv or ((passivene or ((passivierende OR passivierungde) or passivieren)) or massiverer))".
• Adding a wildcard symbol may retrieve word variants: (passiv or ((passivene or ((passivierende OR passivierungde) or passivieren)) or massiverer))*.