Perhaps you should try some spelling variations:
krebsforschung und » krebsforschung _, krebsforschung die, krebsforschung heute
2c fortschritte » 2 fortschritte, 23 fortschritte, 24 fortschritte
recent result » recent results, recents results, resent results
les recherche » les recherches, des recherches, leur recherche
lines cancer » linear cancer, linked cancer, genes cancer
gets cancer » get cancer, agents cancer, genes cancer
a8s dans » arts dans, ames dans, ils 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 result in cancer research%2c fortschritte der krebsforschung und%c3%((a8s dans) OR (ans dans)) les recherche sur ((gets cancer) OR (lines cancer))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%recent result in cancer research%2c fortschritte der krebsforschung und%c3%((a8s dans) OR (ans dans)) les recherche sur ((gets cancer) or (lines cancer))%22".
• Adding a wildcard symbol may retrieve word variants: %recent result in cancer research%2c fortschritte der krebsforschung und%c3%((a8s dans) OR (ans dans)) les recherche sur ((gets cancer) or (lines cancer))%22*.