Perhaps you should try some spelling variations:
krebsforschung die » krebsforschung _, krebsforschung und, krebsforschung heute
22recent results » recent results, present results, recent result
2c fortschritte » 24 fortschritte, 25 fortschritte, c fortschritte
23 fortschritte » 24 fortschritte, 25 fortschritte, 3 fortschritte
les recherches » des recherches, de recherches
2 fortschritte » 24 fortschritte, 25 fortschritte, 5 fortschritte
recherches sur » recherche sur
les cancers » liver cancers, lung cancers, cell cancers
les cancer » lines cancer, does cancer, cns 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%((2c fortschritte) OR (((23 fortschritte) OR (2 fortschritte)))) der krebsforschung die%c3%a8s dans les recherches sur ((les cancer) OR (les cancers))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22recent results in cancer research%((2c fortschritte) or (((23 fortschritte) or (2 fortschritte)))) der krebsforschung die%c3%a8s dans les recherches sur ((les cancer) OR (les cancers))%22".
• Adding a wildcard symbol may retrieve word variants: %22recent results in cancer research%((2c fortschritte) or (((23 fortschritte) or (2 fortschritte)))) der krebsforschung die%c3%a8s dans les recherches sur ((les cancer) OR (les cancers))%22*.