Perhaps you should try some spelling variations:
universitat bochum » universitat bonn (Expand Search)
bohn » bohne (Expand Search), bhohn (Expand Search), bjohn (Expand Search)
ohn » ohne (Expand Search), hohn (Expand Search), john (Expand Search)
sohn » sohne (Expand Search), shohn (Expand Search), sjohn (Expand Search)
hbohne » hbohnee (Expand Search), hbhohne (Expand Search), hbjohne (Expand Search)
sjjbohn » sjjbohne (Expand Search), sjjbhohn (Expand Search), sjjbjohn (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: "(nuhr OR ((bohn OR ((bohn OR ohn) OR sohn)) OR ((hbohne OR joh) OR sjjbohn))) universitat bochum~".
• Adding a wildcard symbol may retrieve word variants: (nuhr OR ((bohn OR ((bohn OR ohn) OR sohn)) OR ((hbohne OR joh) OR sjjbohn))) universitat bochum*.