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