Perhaps you should try some spelling variations:
den deutschen » der deutschen (Expand Search), des deutschen (Expand Search), die deutschen (Expand Search)
_ neurussland » _ russland (Expand Search), _ sudrussland (Expand Search), neu russland (Expand Search)
aus russland » _ russland (Expand Search)
sud russland » und russland (Expand Search), _ sudrussland (Expand Search), _ russland (Expand Search)
vereins zur » vereins fur (Expand Search)
zur den » fur den (Expand Search), zu den (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: vereins zur den deutschen ((((aus russland) OR (sud russland))) OR (_ neurussland))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vereins zur den deutschen ((((aus russland) OR (sud russland))) OR (_ neurussland))".
• Adding a wildcard symbol may retrieve word variants: vereins zur den deutschen ((((aus russland) OR (sud russland))) OR (_ neurussland))*.