Perhaps you should try some spelling variations:
krebsforschung progr » krebsforschung from, krebsforschung der, krebsforschung uber
krebsforschung das » krebsforschung die, krebsforschung der, krebsforschung sakk
22recent results » recent results, present results, recent result
24 fortschritte » 2 fortschritte, 25 fortschritte, 4 fortschritte
23 fortschritte » 2 fortschritte, 25 fortschritte, 3 fortschritte
male cancer » care cancer
le cancer » e cancer, pre cancer
a8s dans » ans dans, arts dans, ames dans

Try widening your search to All Fields.

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%((24 fortschritte) OR (23 fortschritte)) der ((krebsforschung progr) OR (krebsforschung das))%c3%a8s dans les ((recherches sur) OR (recherche sur)) ((le cancer) OR (male cancer))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22recent results in cancer research%((24 fortschritte) or (23 fortschritte)) der ((krebsforschung progr) or (krebsforschung das))%c3%a8s dans les ((recherches sur) or (recherche sur)) ((le cancer) OR (male cancer))%22".
• Adding a wildcard symbol may retrieve word variants: %22recent results in cancer research%((24 fortschritte) or (23 fortschritte)) der ((krebsforschung progr) or (krebsforschung das))%c3%a8s dans les ((recherches sur) or (recherche sur)) ((le cancer) OR (male cancer))%22*.