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

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