Perhaps you should try some spelling variations:
weser » welser (Expand Search), weber (Expand Search), wesen (Expand Search)
wolter » walter (Expand Search), zwolfter (Expand Search)
wieger » wiege (Expand Search), pieger (Expand Search)
wieder » lieder (Expand Search)
wiesel » ziesel (Expand Search), wiegel (Expand Search), giesel (Expand Search), diesel (Expand Search)
wiese » wiege (Expand Search), giese (Expand Search), diese (Expand Search)
wieser » wieger (Expand Search), gieser (Expand Search), dieser (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 wolter) OR (((wieger OR wieder) OR wiesel) OR (wiese OR wieser))) OR wiener) muller~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((weser OR wolter) OR (((wieger OR wieder) OR wiesel) OR (wiese OR wieser))) OR wiener) muller".
• Adding a wildcard symbol may retrieve word variants: (((weser OR wolter) OR (((wieger OR wieder) OR wiesel) OR (wiese OR wieser))) OR wiener) muller*.