Perhaps you should try some spelling variations:
passiv » massiv, passiven, passiver
passive » massive, passivene, passivere
passivierender » massivierender, passivenierender, passiverierender, passivierende, aktivierender, passivieren
passivierenden » massivierenden, passivenierenden, passiverierenden, passivierende, aktivierenden, assistierenden
massively » massive

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 massively) OR (passivierender OR passivierenden)).
• Adding a wildcard symbol may retrieve word variants: (((passiv or passive) or massively) or (passivierender or passivierenden))*.