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