Perhaps you should try some spelling variations:
krebsforschung der » krebsforschung uber, krebsforschung die, krebsforschung das
2c fortschritte » 2 fortschritte, 23 fortschritte, 24 fortschritte
recherches sur » recherche sur
les recherches » des recherches, de recherches
modes cancer » models cancer, model cancer, modern cancer
nodes cancer » node cancer, nodel cancer, models cancer
arts dance » arts france
arts dans » art dans, faits dans, prets dans
a8s dans » ans dans, ames dans, bas 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: %recent results in cancer research%2c fortschritte der krebsforschung der%c3%((a8s dans) OR (((arts dans) OR (arts dance)))) les recherches sur ((nodes cancer) OR (modes cancer))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%recent results in cancer research%2c fortschritte der krebsforschung der%c3%((a8s dans) or (((arts dans) OR (arts dance)))) les recherches sur ((nodes cancer) or (modes cancer))%22".
• Adding a wildcard symbol may retrieve word variants: %recent results in cancer research%2c fortschritte der krebsforschung der%c3%((a8s dans) or (((arts dans) OR (arts dance)))) les recherches sur ((nodes cancer) or (modes cancer))%22*.