Perhaps you should try some spelling variations:
22johann friedrich » johann friedrichs (Expand Search)
des lutherischen » den lutherischen (Expand Search), von lutherischer (Expand Search)
bayerischen » bayerische (Expand Search)
kurfu%cc%88rst%22 » kurtu%cc%88rst%22 (Expand Search), kurzu%cc%88rst%22 (Expand Search), kuru%cc%88rst%22 (Expand Search)
kurf%cc%88rst%22 » kurt%cc%88rst%22 (Expand Search), kurz%cc%88rst%22 (Expand Search), kur%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) or (johann friedrich)) i. - ((des lutherischen) or (((der lutherischen) or (der bayerischen)))) (kurfu%cc%88rst%22 OR kurf%cc%88rst%22)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: %((22johann friedrich) OR (johann friedrich)) i. - ((des lutherischen) OR (((der lutherischen) OR (der bayerischen)))) (kurfu%cc%88rst%22 OR kurf%cc%88rst%22).
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22johann friedrich) or (johann friedrich)) i. - ((des lutherischen) or (((der lutherischen) or (der bayerischen)))) (kurfu%cc%88rst%22 OR kurf%cc%88rst%22)".
• Adding a wildcard symbol may retrieve word variants: %((22johann friedrich) or (johann friedrich)) i. - ((des lutherischen) or (((der lutherischen) or (der bayerischen)))) (kurfu%cc%88rst%22 OR kurf%cc%88rst%22)*.