Perhaps you should try some spelling variations:
krebsforschung die » krebsforschung _, krebsforschung und, krebsforschung heute
22recent results » recent results, present results, recent result
2c fortschritte » 2 fortschritte, 23 fortschritte, 25 fortschritte
24 fortschritte » 2 fortschritte, 23 fortschritte, 25 fortschritte
les recherches » des recherches, de recherches
recherches sur » recherche sur
does cancer » modes cancer, nodes cancer, does cantor
a8s dans » arts dans, ames dans, ils dans
sur does » sur des, four does, star does

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 (24 fortschritte)) der krebsforschung die%c3%((a8s dans) OR (ans dans)) les recherches sur does cancer%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22recent results in cancer research%((2c fortschritte) OR (24 fortschritte)) der krebsforschung die%c3%((a8s dans) or (ans dans)) les recherches sur does cancer%22".
• Adding a wildcard symbol may retrieve word variants: %22recent results in cancer research%((2c fortschritte) OR (24 fortschritte)) der krebsforschung die%c3%((a8s dans) or (ans dans)) les recherches sur does cancer%22*.