Perhaps you should try some spelling variations:
johannes fischer » johanna fischer, johan fischer, johannes fechner
johannes pfister » johanne foster, johannes dieter, johannes koster
johannes liesche » johannes basch, johannes berchem, johannes bosscha
johan richter » john richter, johannes richter, von richter

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 pfister))) OR (johan richter))) OR (johannes liesche)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((johannes fischer) OR (johannes pfister))) or (johan richter))) or (johannes liesche))".
• Adding a wildcard symbol may retrieve word variants: ((((((johannes fischer) OR (johannes pfister))) or (johan richter))) or (johannes liesche))*.