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