Perhaps you should try some spelling variations:
krebsforschung die » krebsforschung _, krebsforschung und, krebsforschung heute
22recent results » recent results, present results, recent result
23 fortschritte » 2 fortschritte, 24 fortschritte, 25 fortschritte
les recherches » des recherches, de recherches
recherches sur » recherche sur
neck cancers » neck cancer
les cancer » les cancers, lines cancer, does 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%23 fortschritte der krebsforschung die%c3%a8s dans les recherches sur ((les cancer) OR (neck cancers))%22.
• Adding a wildcard symbol may retrieve word variants: %22recent results in cancer research%23 fortschritte der krebsforschung die%c3%a8s dans les recherches sur ((les cancer) or (neck cancers))%22*.