Perhaps you should try some spelling variations:
universitat bochum » universitat bonn (Expand Search)
ruhr » ruhe (Expand Search), nuhr (Expand Search), rohr (Expand Search)
lohr » lehr (Expand Search), lahr (Expand Search), mohr (Expand Search)
mjohn » john (Expand Search), mohn (Expand Search), mjohne (Expand Search), mjsohn (Expand Search), mjhohn (Expand Search)
ohn » ohne (Expand Search), sohn (Expand Search), hohn (Expand Search)
jhhohne » jhhohnee (Expand Search), jhhsohne (Expand Search), jhhhohne (Expand Search)
hbhohn » hbhohne (Expand Search), hbhsohn (Expand Search), hbhhohn (Expand Search)
sbohn » sbohne (Expand Search), sbsohn (Expand Search), sbhohn (Expand Search), sohn (Expand Search), bohn (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: "(ruhr OR ((lohr OR ((mjohn OR ohn) OR jhhohne)) OR (hbhohn OR sbohn))) universitat bochum~".
• Adding a wildcard symbol may retrieve word variants: (ruhr OR ((lohr OR ((mjohn OR ohn) OR jhhohne)) OR (hbhohn OR sbohn))) universitat bochum*.