Perhaps you should try some spelling variations:
passiv » passive, passiver
passiven » passiveen, passiveren, passive, passion
passiveierende » passiveeierende, passivereierende, passivierende, passivierender, passivierenden
massiv » massive
massivere » massiveere, massiver, massive, massiven
massively » massiveely, 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 passiven) OR passiveierende) OR massiv) OR (massivere OR massively)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((passiv OR passiven) or passiveierende) or massiv) or (massivere or massively))".
• Adding a wildcard symbol may retrieve word variants: ((((passiv OR passiven) or passiveierende) or massiv) or (massivere or massively))*.