Perhaps you should try some spelling variations:
"donauschwabisches christentum heft 19" » "donauschwabisches schrifttum heft 19" (Expand Search), "dopnauschwabisches schrifttum heft 19" (Expand Search), "donauschwabisches christentum der 19" (Expand Search), "donauschwabisches christentum eine 19" (Expand Search), "donauschwabisches christentum heft 1" (Expand Search), "donauschwabisches christentum heft 9" (Expand Search), "donauschwabisches christentum heft 10" (Expand Search)
"donauschwabische schrifttum heft 2" » "donauschwabisches schrifttum heft 2" (Expand Search), "dopnauschwabisches schrifttum heft 2" (Expand Search), "donauschwabische schrifttum heft 3" (Expand Search), "donauschwabische schrifttum heft 1" (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: "((\"donauschwabisches christentum heft 19\") OR (\"donauschwabische schrifttum heft 2\"))~".
• Removing quotes may allow a broader search: (( donauschwabisches christentum heft 19 ) OR ( donauschwabische schrifttum heft 2 ))~.
• Adding a wildcard symbol may retrieve word variants: (("donauschwabisches christentum heft 19") OR ("donauschwabische schrifttum heft 2"))*.