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

Try widening your search to All Fields.

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 der. 23") OR ("dopnauschwabisches schrifttum uber. 23"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"donauschwabischen schrifttum der. 23\") OR (\"dopnauschwabisches schrifttum uber. 23\"))".
• Removing quotes may allow a broader search: (( donauschwabischen schrifttum der. 23 ) OR ( dopnauschwabisches schrifttum uber. 23 )).
• Adding a wildcard symbol may retrieve word variants: (("donauschwabischen schrifttum der. 23") OR ("dopnauschwabisches schrifttum uber. 23"))*.