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 und. 23" (Expand Search), "dopnauschwabisches schrifttum _. 23" (Expand Search)
"donauschwabisches schrifttum nr. 23" » "donauschwabisches schrifttum der. 23" (Expand Search), "donauschwabisches schrifttum und. 23" (Expand Search), "donauschwabisches schrifttum _. 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 (\"donauschwabisches schrifttum nr. 23\"))~".
• Removing quotes may allow a broader search: (( dopnauschwabisches schrifttum nr. 23 ) OR ( donauschwabisches schrifttum nr. 23 ))~.
• Adding a wildcard symbol may retrieve word variants: (("dopnauschwabisches schrifttum nr. 23") OR ("donauschwabisches schrifttum nr. 23"))*.