Perhaps you should try some spelling variations:
"dopnauschwabisches schrifttum _. 23" » "donauschwabisches schrifttum _. 23" (Expand Search), "donauschwabisches christentum _. 23" (Expand Search)
"donauschwabischen schrifttum und. 23" » "donauschwabisches schrifttum und. 23" (Expand Search), "donauschwabisches christentum und. 23" (Expand Search), "donauschwabischen geschichte und. 23" (Expand Search), "donauschwabischen schrifttum uber. 23" (Expand Search), "donauschwabischen schrifttum der. 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 und. 23") OR ("dopnauschwabisches schrifttum _. 23"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"donauschwabischen schrifttum und. 23\") OR (\"dopnauschwabisches schrifttum _. 23\"))*".
• Removing quotes may allow a broader search: (( donauschwabischen schrifttum und. 23 ) OR ( dopnauschwabisches schrifttum _. 23 ))*.