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, c fortschritte
les recherches » des recherches, de recherches
recherches sur » recherche sur
does cancer » modes cancer, nodes cancer, does cantor
a8s dans » ans dans, ames dans, bas 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.

• Adding a wildcard symbol may retrieve word variants: %22recent results in cancer research%2c fortschritte der krebsforschung die%c3%a8s dans les recherches sur does cancer%22*.