fiasco vs perfect storm

fiasco

noun
  • A sudden or unexpected failure. 

  • A ludicrous or humiliating situation. Some effort that went quite wrong. 

  • A wine bottle in a (usually straw) jacket. 

perfect storm

noun
  • A situation whereby several problems come together and make everything worse. 

  • A powerful hurricane or other major weather disturbance, especially as produced by a combination of meteorological conditions. 

How often have the words fiasco and perfect storm occurred in a corpus of books? (source: Google Ngram Viewer )