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