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