Perhaps you should try some spelling variations:
"dopnauschwabisches schrifttum nr. 23" » "donauschwabisches schrifttum nr. 23" (Expand Search), "donauschwabisches christentum nr. 23" (Expand Search), "dopnauschwabisches schrifttum und. 23" (Expand Search), "dopnauschwabisches schrifttum _. 23" (Expand Search), "dopnauschwabisches schrifttum im. 23" (Expand Search)
"dopnauschwabisches schrifttum der. 23" » "donauschwabisches schrifttum der. 23" (Expand Search), "donauschwabisches christentum der. 23" (Expand Search), "dopnauschwabisches schrifttums der. 23" (Expand Search), "dopnauschwabisches schrifttum uber. 23" (Expand Search), "dopnauschwabisches 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: "((\"dopnauschwabisches schrifttum nr. 23\") OR (\"dopnauschwabisches schrifttum der. 23\"))~".
• Removing quotes may allow a broader search: (( dopnauschwabisches schrifttum nr. 23 ) OR ( dopnauschwabisches schrifttum der. 23 ))~.
• Adding a wildcard symbol may retrieve word variants: (("dopnauschwabisches schrifttum nr. 23") OR ("dopnauschwabisches schrifttum der. 23"))*.