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