Perhaps you should try some spelling variations:
universitat bochum » universitat bonn (Expand Search)
mohr » mehr (Expand Search), lohr (Expand Search), mohn (Expand Search)
ohn » ohne (Expand Search), sohn (Expand Search), bohn (Expand Search)
sohne » sohnee (Expand Search), ssohne (Expand Search), sbohne (Expand Search), ohne (Expand Search), sohn (Expand Search)
hohn » hohne (Expand Search), hsohn (Expand Search), hbohn (Expand Search), hahn (Expand Search), sohn (Expand Search), huhn (Expand Search)
john » johne (Expand Search), jsohn (Expand Search), jbohn (Expand Search), sohn (Expand Search), joh (Expand Search), bohn (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 ((mohr OR ((mahn OR ohn) OR sohne)) OR ((hohn OR john) OR sjjoh))) universitat bochum~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(nuhr OR ((mohr OR ((mahn OR ohn) OR sohne)) OR ((hohn OR john) OR sjjoh))) universitat bochum*".