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