Perhaps you should try some spelling variations:
dieser » dieter (Expand Search), diesem (Expand Search), dieses (Expand Search), diesemr (Expand Search), diesesr (Expand Search), gieser (Expand Search)
riess » griess (Expand Search), fiess (Expand Search), riesa (Expand Search)
diese » diesem (Expand Search), dieses (Expand Search), giese (Expand Search)
wiesel » ziesel (Expand Search), wiese (Expand Search), wieser (Expand Search)
weser » wieser (Expand Search), weber (Expand Search), wesen (Expand Search)
welser » belser (Expand Search), elser (Expand Search), welter (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: (((((dieser OR pieger) OR ((riess OR diese) OR wiesel)) OR weser) OR welser) OR (wieder OR lieder))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((dieser OR pieger) OR ((riess OR diese) OR wiesel)) OR weser) OR welser) OR (wieder OR lieder))".
• Adding a wildcard symbol may retrieve word variants: (((((dieser OR pieger) OR ((riess OR diese) OR wiesel)) OR weser) OR welser) OR (wieder OR lieder))*.