Perhaps you should try some spelling variations:
"recent results in cancer research, fortschritte der krebsforschung progres de les recherches zur pre cancer" » "recent results in cancer research, fortschritte der krebsforschung from de les recherches zur pre cancer", "recent results in cancer research, fortschritte der krebsforschung progres de des recherches zur pre cancer", "recent results in cancer research, fortschritte der krebsforschung progres de de recherches zur pre cancer", "recent results in cancer research, fortschritte der krebsforschung progres de les recherches sur pre cancer", "recent results in cancer research, fortschritte der krebsforschung progres de les recherchen zur pre cancer", "recent results in cancer research, fortschritte der krebsforschung progres de les recherche zur pre cancer", "recent results in cancer research, fortschritte der krebsforschung progres des les recherches zur pre cancer", "recent results in cancer research, fortschritte der krebsforschung progres de les recherches zur care cancer", "recent results in cancer research, fortschritte der krebsforschung progres de les recherches zur pr cancer", "recent results in cancer research, fortschritte der krebsforschung progres de les recherches zur pra cancer", "recent results in cancer research, fortschritte der krebsforschung progres de les recherches zur preis cancer", "recent results in cancer research, fortschritte der krebsforschung progres de leurs recherches zur pre cancer"
"recent results in cancer research, fortschritte der krebsforschung progres dans la recherche sur male cancer" » "recent results in cancer research, fortschritte der krebsforschung from dans la recherche sur male cancer", "recent results in cancer research, fortschritte der krebsforschung progres des la recherche sur male cancer", "recent results in cancer research, fortschritte der krebsforschung progres dans de recherche sur male cancer", "recent results in cancer research, fortschritte der krebsforschung progres dans la recherche sur care cancer", "recent results in cancer research, fortschritte der krebsforschung progres dans la recherche sur marne cancer", "recent results in cancer research, fortschritte der krebsforschung progres dans la recherche fur maler cancer", "recent results in cancer research, fortschritte der krebsforschung progres dans la recherche four male cancer", "recent results in cancer research, fortschritte der krebsforschung progres dans les recherche sur male cancer"

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, fortschritte der krebsforschung progres de les recherches zur pre cancer") OR ("recent results in cancer research, fortschritte der krebsforschung progres dans la recherche sur male cancer")).
• Removing quotes may allow a broader search: (( recent results in cancer research, fortschritte der krebsforschung progres de les recherches zur pre cancer ) or ( recent results in cancer research, fortschritte der krebsforschung progres dans la recherche sur male cancer )).
• Adding a wildcard symbol may retrieve word variants: (("recent results in cancer research, fortschritte der krebsforschung progres de les recherches zur pre cancer") or ("recent results in cancer research, fortschritte der krebsforschung progres dans la recherche sur male cancer"))*.