Perhaps you should try some spelling variations:
weser » weber (Expand Search), wesen (Expand Search), eser (Expand Search)
welser » welter (Expand Search), weliser (Expand Search), welse (Expand Search), weser (Expand Search)
elser » eliser (Expand Search), else (Expand Search), eser (Expand Search)
belser » beliser (Expand Search), belse (Expand Search), beser (Expand Search), belzer (Expand Search)
wieser » wieder (Expand Search), wiener (Expand Search), dieser (Expand Search)
wieger » wieder (Expand Search), wiener (Expand Search), wiege (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 elser)) OR belser) OR (((wieser OR wieger) OR giese) OR dieter)) muller~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((weser OR (welser OR elser)) OR belser) OR (((wieser OR wieger) OR giese) OR dieter)) muller".
• Adding a wildcard symbol may retrieve word variants: (((weser OR (welser OR elser)) OR belser) OR (((wieser OR wieger) OR giese) OR dieter)) muller*.