Perhaps you should try some spelling variations:
krebsforschung progres » krebsforschung from
les recherches » des recherches, de recherches
progres dans » progres des, progres de
fur maler » fur makler, fur maker, fur manner
sur male » sur marne, four male, sur mais

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