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

• If you are trying to use Boolean operators, they must be ALL CAPS: %22recent results in cancer research%2c fortschritte der ((krebsforschung progr) OR (krebsforschung das))%c3%((a8s dans) OR (ames dans)) les ((recherches sur) OR (recherche sur)) ((male cancer) OR (care cancer))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22recent results in cancer research%2c fortschritte der ((krebsforschung progr) or (krebsforschung das))%c3%((a8s dans) OR (ames dans)) les ((recherches sur) or (recherche sur)) ((male cancer) or (care cancer))%22".
• Adding a wildcard symbol may retrieve word variants: %22recent results in cancer research%2c fortschritte der ((krebsforschung progr) or (krebsforschung das))%c3%((a8s dans) OR (ames dans)) les ((recherches sur) or (recherche sur)) ((male cancer) or (care cancer))%22*.