Perhaps you should try some spelling variations:
deutschen meer » deutschen heeres (Expand Search), deutschen die (Expand Search), deutschen ev (Expand Search)
das deutschen » des deutschen (Expand Search), das deutsche (Expand Search), der deutschen (Expand Search)
meer russland » mit russland (Expand Search), neu russland (Expand Search), wie russland (Expand Search)
vereins zur » vereins fur (Expand Search)
zur das » fur das (Expand Search), nur das (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 das deutschen meer russland~.
• Adding a wildcard symbol may retrieve word variants: vereins zur das deutschen meer russland*.