Perhaps you should try some spelling variations:
22johann friedrich » johann friedrich (Expand Search), johann friedrichs (Expand Search)
den lutherischen » der lutherischen (Expand Search), des lutherischen (Expand Search), von lutherischer (Expand Search)
der lutherische » der lutherischen (Expand Search), des lutherischen (Expand Search), durch lutherisch (Expand Search)
friedrich i » friedrich iii (Expand Search), friedrich der (Expand Search)
kurfu%cc%88rst%22 » kurf%cc%88rst%22 (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: %22johann friedrich i. - ((((der lutherische) OR (den lutherischen))) or (((der lutherische) OR (den lutherischen))n)) kurfu%cc%88rst%22~.
• If you are trying to use Boolean operators, they must be ALL CAPS: %22johann friedrich i. - ((((der lutherische) OR (den lutherischen))) OR (((der lutherische) OR (den lutherischen))n)) kurfu%cc%88rst%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22johann friedrich i. - ((((der lutherische) OR (den lutherischen))) or (((der lutherische) OR (den lutherischen))n)) kurfu%cc%88rst%22".
• Adding a wildcard symbol may retrieve word variants: %22johann friedrich i. - ((((der lutherische) OR (den lutherischen))) or (((der lutherische) OR (den lutherischen))n)) kurfu%cc%88rst%22*.