Perhaps you should try some spelling variations:
weser » welser (Expand Search), wieser (Expand Search), weber (Expand Search), wesser (Expand Search), weder (Expand Search)
diweser » diwelser (Expand Search), diwieser (Expand Search), diweber (Expand Search), diwesser (Expand Search), diweder (Expand Search)
dieser » diesem (Expand Search), dieses (Expand Search), diemer (Expand Search), dielser (Expand Search), diesser (Expand Search), dieder (Expand Search)
eser » elser (Expand Search), esser (Expand Search), eder (Expand Search)
leser » lelser (Expand Search), lesser (Expand Search), leder (Expand Search), leer (Expand Search), leyer (Expand Search), leber (Expand Search)
welter » walter (Expand Search), welten (Expand Search), wolter (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: (((weser OR ((dieser OR dieter) OR diweser)) OR ((eser OR leser) OR welter)) OR lieder)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((weser OR ((dieser OR dieter) OR diweser)) OR ((eser OR leser) OR welter)) OR lieder)".
• Adding a wildcard symbol may retrieve word variants: (((weser OR ((dieser OR dieter) OR diweser)) OR ((eser OR leser) OR welter)) OR lieder)*.