Perhaps you should try some spelling variations:
krebsforschung from » krebsforschung vom, krebsforschung beim, krebsforschung _
les recherches » des recherches, de recherches, ou recherches
recherches sur » recherche sur
les cancers » liver cancers, neck cancers, lung cancers

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, fortschritte der ((krebsforschung progres) OR (krebsforschung from)) dans les recherches sur les cancers".
• Adding a wildcard symbol may retrieve word variants: recent results in cancer research, fortschritte der ((krebsforschung progres) OR (krebsforschung from)) dans les recherches sur les cancers*.