Perhaps you should try some spelling variations:
johannes liesche » johannes basch, johannes bosscha, johannes kiess
johannes fischer » johan fischer, johannes fechner, johannes pfister
johannes berchem » johannes becker, johannes berger, johannes bechteln
johanna fischer » johan fischer, johann fischart, johanna kissler

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