Perhaps you should try some spelling variations:
ruhe » truhe (Expand Search)
mohr » mehr (Expand Search), lohr (Expand Search), moor (Expand Search)
ohn » ohne (Expand Search), sohn (Expand Search), john (Expand Search)
mohn » mohne (Expand Search), msohn (Expand Search), mjohn (Expand Search), sohn (Expand Search), john (Expand Search)
sjohn » sjohne (Expand Search), sjsohn (Expand Search), sjjohn (Expand Search), sohn (Expand Search), john (Expand Search)
bohn » bohne (Expand Search), bsohn (Expand Search), bjohn (Expand Search)
hohn » hohne (Expand Search), hsohn (Expand Search), hjohn (Expand Search), hahn (Expand Search), sohn (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 (mohr OR ((((ohn OR (mohn OR mahn)) OR sjohn) OR bohn) OR hohn))) university bochum~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(ruhe OR (mohr OR ((((ohn OR (mohn OR mahn)) OR sjohn) OR bohn) OR hohn))) university bochum".
• Adding a wildcard symbol may retrieve word variants: (ruhe OR (mohr OR ((((ohn OR (mohn OR mahn)) OR sjohn) OR bohn) OR hohn))) university bochum*.