Perhaps you should try some spelling variations:
"dopnauschwabisches schrifttum und. 23" » "donauschwabisches schrifttum und. 23" (Expand Search), "donauschwabisches christentum und. 23" (Expand Search), "dopnauschwabisches schrifttum uber. 23" (Expand Search), "dopnauschwabisches schrifttum der. 23" (Expand Search)
"donauschwabischen schrifttum nr. 23" » "donauschwabisches schrifttum nr. 23" (Expand Search), "donauschwabisches christentum nr. 23" (Expand Search), "donauschwabischen geschichte nr. 23" (Expand Search), "donauschwabischen schrifttum der. 23" (Expand Search), "donauschwabischen schrifttum _. 23" (Expand Search), "donauschwabischen schrifttum im. 23" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("donauschwabischen schrifttum nr. 23") OR ("dopnauschwabisches schrifttum und. 23"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"donauschwabischen schrifttum nr. 23\") OR (\"dopnauschwabisches schrifttum und. 23\"))*".
• Removing quotes may allow a broader search: (( donauschwabischen schrifttum nr. 23 ) OR ( dopnauschwabisches schrifttum und. 23 ))*.