come through vs help oneself

come through

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

  • 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. 

help oneself

verb
  • Used other than figuratively or idiomatically: see help. 

  • To serve oneself, especially to take food or other supplies, rather than wait to be served by another; used to indicate friendly permission or invitation. 

  • To exhibit self-control. 

  • To take something freely; to serve oneself without restraint. 

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