Perhaps you should try some spelling variations:
"ruhe universitat bochum" » "ruhe universitat bonn" (Expand Search), "freien universitat bochum" (Expand Search), "der universitat bochum" (Expand Search)
"ruhr university bochum" » "nuhr university bochum" (Expand Search)
"rohr university bochum" » "lohr university bochum" (Expand Search), "mohr university bochum" (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 university bochum") OR ("rohr university bochum"))) OR ("ruhe universitat bochum"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ruhr university bochum\") OR (\"rohr university bochum\"))) OR (\"ruhe universitat bochum\"))".
• Removing quotes may allow a broader search: (((( ruhr university bochum ) OR ( rohr university bochum ))) OR ( ruhe universitat bochum )).
• Adding a wildcard symbol may retrieve word variants: (((("ruhr university bochum") OR ("rohr university bochum"))) OR ("ruhe universitat bochum"))*.