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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Cogito ergo sum") OR ("Cogito ego sum"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Cogito ergo sum\") OR (\"Cogito ego sum\"))".
• Removing quotes may allow a broader search: (( Cogito ergo sum ) OR ( Cogito ego sum )).
• Adding a wildcard symbol may retrieve word variants: (("Cogito ergo sum") OR ("Cogito ego sum"))*.