Perhaps you should try some spelling variations:
rohr » lohr (Expand Search), ruhr (Expand Search)
mohr » mehr (Expand Search), lohr (Expand Search), mohn (Expand Search)
bhohn » hohn (Expand Search), bohn (Expand Search), bhohne (Expand Search), bhhohn (Expand Search), bhbohn (Expand Search)
mbohne » mbohnee (Expand Search), mbhohne (Expand Search), mbbohne (Expand Search)
ohn » ohne (Expand Search), hohn (Expand Search), bohn (Expand Search)
sohn » sohne (Expand Search), shohn (Expand Search), sbohn (Expand Search)
john » johne (Expand Search), jhohn (Expand Search), jbohn (Expand Search), joh (Expand Search), hohn (Expand Search), bohn (Expand Search)
sjjhbohn » sjjhbohne (Expand Search), sjjhbhohn (Expand Search), sjjhbbohn (Expand Search)
university » universitat (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: "(rohr OR ((mohr OR (((bhohn OR mbohne) OR ohn) OR sohn)) OR (john OR sjjhbohn))) university bochum~".
• Adding a wildcard symbol may retrieve word variants: (rohr OR ((mohr OR (((bhohn OR mbohne) OR ohn) OR sohn)) OR (john OR sjjhbohn))) university bochum*.