Perhaps you should try some spelling variations:
universitat bochum » universitat bonn (Expand Search)
ruhe » truhe (Expand Search)
lohr » lehr (Expand Search), lahr (Expand Search), mohr (Expand Search)
ohn » ohne (Expand Search), john (Expand Search), mohn (Expand Search)
sohn » sohne (Expand Search), sjohn (Expand Search), smohn (Expand Search)
smohn » smohne (Expand Search), smjohn (Expand Search), smmohn (Expand Search), mohn (Expand Search)
sjohn » sjohne (Expand Search), sjjohn (Expand Search), sjmohn (Expand Search), john (Expand Search)
bohn » bohne (Expand Search), bjohn (Expand Search), bmohn (Expand Search)
hohn » hohne (Expand Search), hjohn (Expand Search), hmohn (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: (ruhe OR (lohr OR (((ohn OR ((sohn OR smohn) OR sjohn)) OR bohn) OR hohn))) universitat bochum~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(ruhe OR (lohr OR (((ohn OR ((sohn OR smohn) OR sjohn)) OR bohn) OR hohn))) universitat bochum".
• Adding a wildcard symbol may retrieve word variants: (ruhe OR (lohr OR (((ohn OR ((sohn OR smohn) OR sjohn)) OR bohn) OR hohn))) universitat bochum*.