bungle vs perfect storm

bungle

noun
  • A botched or incompetently handled action or situation; a blunder. 

verb
  • To incompetently perform (a task); to ruin (something) through incompetent action; to botch up, to bumble. 

  • To act or work incompetently; to fumble. 

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 bungle and perfect storm occurred in a corpus of books? (source: Google Ngram Viewer )