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

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