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