crave vs have a flash

crave

noun
  • A formal application to a court to make a particular order. 

verb
  • To desire strongly, so as to satisfy an appetite; to long or yearn for. 

  • To ask for earnestly; to beg; to claim. 

have a flash

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