come through vs had best

come through

verb
  • To succeed. 

  • To come into a room or other space through a door or passageway. 

  • To survive, to endure. 

  • To be communicated or expressed successfully. 

  • To not let somebody down, keep or fulfil one's word or promise. 

  • Used other than figuratively or idiomatically: see come, through. 

had best

verb
  • Had better. 

How often have the words come through and had best occurred in a corpus of books? (source: Google Ngram Viewer )