Perhaps you should try some spelling variations:
weser » welser (Expand Search), weber (Expand Search), wesen (Expand Search)
belser » belzer (Expand Search), elser (Expand Search), welser (Expand Search)
wieser » wieder (Expand Search), wiener (Expand Search), wiesel (Expand Search), wieselr (Expand Search), wieger (Expand Search), dieser (Expand Search)
wieger » wieder (Expand Search), wiener (Expand Search), wiege (Expand Search)
wiese » wiesel (Expand Search), wiege (Expand Search), diese (Expand Search)
dieser » dieter (Expand Search), diesem (Expand Search), dieses (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((weser OR belser) OR (((((wieser OR wieger) OR wieger) OR giese) OR wiese) OR dieser)) muller~".
• Adding a wildcard symbol may retrieve word variants: ((weser OR belser) OR (((((wieser OR wieger) OR wieger) OR giese) OR wiese) OR dieser)) muller*.