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