You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((nuhr OR ruhe) OR ruhr) (university OR universitat) bochum~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((nuhr OR ruhe) OR ruhr) (university OR universitat) bochum".
• Adding a wildcard symbol may retrieve word variants: ((nuhr OR ruhe) OR ruhr) (university OR universitat) bochum*.