Perhaps you should try some spelling variations:
"cartesians / european / congresses" » "cartesian / european / congresses", "cartesianism / european / congresses", "artesian / european / congresses"
"cartesians / european / congress" » "cartesian / european / congress", "cartesianism / european / congress", "artesian / european / congress"

Try widening your search to All Fields.

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cartesians / european / congresses\") OR (\"cartesians / european / congress\"))".
• Removing quotes may allow a broader search: (( cartesians / european / congresses ) OR ( cartesians / european / congress )).
• Adding a wildcard symbol may retrieve word variants: (("cartesians / european / congresses") OR ("cartesians / european / congress"))*.