Perhaps you should try some spelling variations:
passiver » passiven, passiert
passivelyen » massivelyen, passivityen, passivenen, massivelyn, passiveln
passively » massively, passivity, passiven
passivelye » massivelye, passivitye, passivene, massively, passivel

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 passive) OR (passion OR (passivelyen OR passively))) OR passivelye).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((passiver OR passive) or (passion or (passivelyen or passively))) or passivelye)".
• Adding a wildcard symbol may retrieve word variants: (((passiver OR passive) or (passion or (passivelyen or passively))) or passivelye)*.