Perhaps you should try some spelling variations:
johannes fischer » johan fischer, johannes fechner, johannes liesche
johanna fischer » johan fischer, johann fischart, johanna borchert
johanna kissler » johannes kindler

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