Perhaps you should try some spelling variations:
passiv » massiv, passiver
passiven » massiven, passiveren, passion
passive » massive, passivere
passivene » massivene, passiverene, passione, passiveand, passiverer, passiver
passively » massively, passiverely, passivity
massiven » massive, massively, massiv
massiveren » massivere, massigeren, massivement

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 passive) OR (passivene OR passively)) OR (massiven OR massiveren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((passiv OR passiven) or passive) or (passivene or passively)) or (massiven or massiveren))".
• Adding a wildcard symbol may retrieve word variants: ((((passiv OR passiven) or passive) or (passivene or passively)) or (massiven or massiveren))*.