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