Perhaps you should try some spelling variations:
johannes fischer » johanna fischer, johan fischer, johannes pfister
johannes liesche » johannes basch, johannes berchem, johannes bosscha
johannes koster » johanne foster, johannes koder, johannes pfister

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: ((((johannes fischer) OR (johannes koster))) OR (johannes liesche)).
• Adding a wildcard symbol may retrieve word variants: ((((johannes fischer) or (johannes koster))) or (johannes liesche))*.