Perhaps you should try some spelling variations:
ruhe » truhe (Expand Search)
rohr » lohr (Expand Search), ruhr (Expand Search)
john » joh (Expand Search), hohn (Expand Search), bohn (Expand Search)
mohr » mehr (Expand Search), lohr (Expand Search), mohn (Expand Search)
lahr » jahr (Expand Search), lahn (Expand Search), lohr (Expand Search)
bahr » baehr (Expand Search), bahre (Expand Search), jahr (Expand Search)
lehr » leer (Expand Search), mehr (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 ((rohr OR (john OR sohn)) OR (mohr OR ((lahr OR bahr) OR lehr)))) university bochum~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(ruhe OR ((rohr OR (john OR sohn)) OR (mohr OR ((lahr OR bahr) OR lehr)))) university bochum".
• Adding a wildcard symbol may retrieve word variants: (ruhe OR ((rohr OR (john OR sohn)) OR (mohr OR ((lahr OR bahr) OR lehr)))) university bochum*.