gong show vs quagmire

gong show

noun
  • An event that proves to be a disaster, often in a fun or memorable way. 

quagmire

noun
  • A perilous, mixed up and troubled situation; a hopeless tangle. 

  • A swampy, soggy area of ground. 

verb
  • To embroil (a person, etc.) in complexity or difficulty. 

How often have the words gong show and quagmire occurred in a corpus of books? (source: Google Ngram Viewer )