Perhaps you should try some spelling variations:
johannes fischer » johanna fischer, johannes fechner, johannes liesche
johannes basch » johannes bosscha, johannes bauer, johannes barry
johannes backs » johannes hack, johannes brahms, johannes becker
johan fischer » johanna fischer, johann fischart, johan 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 (johan fischer))) OR (((johannes basch) OR (johannes backs)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((johannes fischer) OR (johan fischer))) or (((johannes basch) or (johannes backs))))".
• Adding a wildcard symbol may retrieve word variants: ((((johannes fischer) OR (johan fischer))) or (((johannes basch) or (johannes backs))))*.