Perhaps you should try some spelling variations:
ruhe » truhe (Expand Search)
lohr » lahr (Expand Search), mohr (Expand Search), rohr (Expand Search)
ohn » ohne (Expand Search), mohn (Expand Search)
john » johne (Expand Search), jmohn (Expand Search), joh (Expand Search)
sohn » sohne (Expand Search), smohn (Expand Search)
bohn » bohne (Expand Search), bmohn (Expand Search)
hohn » hohne (Expand Search), hmohn (Expand Search), hahn (Expand Search), huhn (Expand Search)
university » universitat (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 lehr) OR (((ohn OR john) OR sohn) OR (bohn OR hohn)))) university bochum~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(ruhe OR ((lohr OR lehr) OR (((ohn OR john) OR sohn) OR (bohn OR hohn)))) university bochum".
• Adding a wildcard symbol may retrieve word variants: (ruhe OR ((lohr OR lehr) OR (((ohn OR john) OR sohn) OR (bohn OR hohn)))) university bochum*.