dead duck vs que sera sera

dead duck

noun
  • A project that is doomed to failure from the start. 

  • One who is in serious danger or trouble. 

que sera sera

phrase
  • "whatever happens, happens" (more literally "whatever will be, will be") Ostensibly employed to express a personal philosophy of fatalism and acceptance of the future. 

How often have the words dead duck and que sera sera occurred in a corpus of books? (source: Google Ngram Viewer )