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