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