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 cancer » les cancers, lines cancer, does cancer
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.

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