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