Perhaps you should try some spelling variations:
"rohr university bochum" » "mohr university bochum" (Expand Search), "ruhr university bochum" (Expand Search), "rohr universitat bochum" (Expand Search)
"lohr university bochum" » "lohr universitat bochum" (Expand Search), "lehr university bochum" (Expand Search), "lahr university bochum" (Expand Search), "mohr university bochum" (Expand Search)
"sohn university bochum" » "sohn universitat bochum" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"rohr university bochum\") OR (((\"lohr university bochum\") OR (\"sohn university bochum\"))))~".
• Removing quotes may allow a broader search: (( rohr university bochum ) OR ((( lohr university bochum ) OR ( sohn university bochum ))))~.
• Adding a wildcard symbol may retrieve word variants: (("rohr university bochum") OR ((("lohr university bochum") OR ("sohn university bochum"))))*.