From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
bunco game /bˈʌŋkəʊ ɡˈeɪm/
fauler Trick <masc>, Schwindel <masc> [aufgelegter] , Gaunerei <fem>, Bauernfängerei <fem>, Rosstäuschertrick <masc> [selten]
Synonyms: confidence trick, confidence scheme, confidence game, con game, con, bamboozle, bunco, flimflam, gaffle, grift, hustle