Perhaps you should try some spelling variations:
"donauschwabische schrifttum der. 23" » "dopnauschwabisches schrifttum der. 23" (Expand Search), "donauschwabisches christentum der. 23" (Expand Search), "donauschwabische schrifttums der. 23" (Expand Search), "donauschwabische schrifttum uber. 23" (Expand Search), "donauschwabische schrifttum heft. 23" (Expand Search)
"donauschwabisches schrifttum der. 23" » "donauschwabisches schrifttums der. 23" (Expand Search), "donauschwabisches schrifttum uber. 23" (Expand Search), "donauschwabisches schrifttum heft. 23" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"donauschwabische schrifttum der. 23\") OR (\"donauschwabisches schrifttum der. 23\"))~".
• Removing quotes may allow a broader search: (( donauschwabische schrifttum der. 23 ) OR ( donauschwabisches schrifttum der. 23 ))~.
• Adding a wildcard symbol may retrieve word variants: (("donauschwabische schrifttum der. 23") OR ("donauschwabisches schrifttum der. 23"))*.