Perhaps you should try some spelling variations:
passiver » passive, passiert
passively » passive, passivity
passivelyen » passiveen, passivityen, passiveln
passivelye » passivee, passivitye, passivel
passiven » passive, passion
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: (((passiver OR passively) OR (passiven OR passivelyen)) OR (passivelye OR massively)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((passiver or passively) or (passiven or passivelyen)) or (passivelye OR massively))".
• Adding a wildcard symbol may retrieve word variants: (((passiver or passively) or (passiven or passivelyen)) or (passivelye OR massively))*.