Perhaps you should try some spelling variations:
passiv » passive, massiv, passiven
passiveren » passiveeren, massiveren, passiveneren, passivieren, passieren, passiverer, passiverern, passivern
passiveeren » passiveeeren, massiveeren, passiveneeren, passivieren, passieren, passiverer, passivierenn, passivern, massiveren
passivere » passiveere, massivere, passivenere, passiverer, passiver
passiveere » passiveeere, massiveere, passiveneere, passivieren, passiver, massivere
passiveeere » passiveeeere, massiveeere, passiveneeere, passiverer, passiverwerb

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 (passiveren OR passiveeren)) OR (passivere OR (passiveere OR passiveeere))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((passiv or (passiveren or passiveeren)) or (passivere or (passiveere OR passiveeere)))".
• Adding a wildcard symbol may retrieve word variants: ((passiv or (passiveren or passiveeren)) or (passivere or (passiveere OR passiveeere)))*.