Perhaps you should try some spelling variations:
krebsforschung der » krebsforschung uber, krebsforschung die, krebsforschung das
23 fortschritte » 24 fortschritte, 25 fortschritte, 3 fortschritte
2 fortschritte » 24 fortschritte, 25 fortschritte, 5 fortschritte
les recherches » des recherches, de recherches
recherches sur » recherche sur
does cancer » modes cancer, nodes cancer, does cantor
a8s dans » ans dans, arts dans, ames 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "%recent results in cancer research%((2 fortschritte) OR (23 fortschritte)) der krebsforschung der%c3%a8s dans les recherches sur does cancer%22".
• Adding a wildcard symbol may retrieve word variants: %recent results in cancer research%((2 fortschritte) OR (23 fortschritte)) der krebsforschung der%c3%a8s dans les recherches sur does cancer%22*.