Perhaps you should try some spelling variations:
weser » weber (Expand Search), wesen (Expand Search), eser (Expand Search)
welser » belser (Expand Search), elser (Expand Search), welter (Expand Search)
wiesel » ziesel (Expand Search), wiese (Expand Search)
wieser » wieder (Expand Search), dieser (Expand Search), wiese (Expand Search)
wiener » wieder (Expand Search)
diese » dieses (Expand Search), dieser (Expand Search), giese (Expand Search)
diesem » diesesm (Expand Search), dieserm (Expand Search), giesem (Expand Search), dieses (Expand Search)
diemer » dieter (Expand Search), diener (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 welser) OR ((((wiesel OR wieser) OR wiener) OR diese) OR (diemer OR diesem))) muller~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((weser OR welser) OR ((((wiesel OR wieser) OR wiener) OR diese) OR (diemer OR diesem))) muller".
• Adding a wildcard symbol may retrieve word variants: ((weser OR welser) OR ((((wiesel OR wieser) OR wiener) OR diese) OR (diemer OR diesem))) muller*.