Perhaps you should try some spelling variations:
universitat bonn » universitat wien (Expand Search), universitat berlin (Expand Search), universitat zu (Expand Search)
mbohn » bohn (Expand Search), mohn (Expand Search), mbohne (Expand Search), mbhohn (Expand Search), mbbohn (Expand Search)
ohn » ohne (Expand Search), hohn (Expand Search), bohn (Expand Search)
sohn » sohne (Expand Search), shohn (Expand Search), sbohn (Expand Search)
hbohn » hbohne (Expand Search), hbhohn (Expand Search), hbbohn (Expand Search), hohn (Expand Search), bohn (Expand Search)
john » johne (Expand Search), jhohn (Expand Search), jbohn (Expand Search), joh (Expand Search), hohn (Expand Search), bohn (Expand Search)
sjjbohn » sjjbohne (Expand Search), sjjbhohn (Expand Search), sjjbbohn (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (nuhr OR ((mbohn OR ((mbohn OR ohn) OR sohn)) OR ((hbohn OR john) OR sjjbohn))) universitat bonn~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(nuhr OR ((mbohn OR ((mbohn OR ohn) OR sohn)) OR ((hbohn OR john) OR sjjbohn))) universitat bonn*".