come into vs help oneself

come into

verb
  • Used other than figuratively or idiomatically: See come and into. 

  • To inherit (money). 

  • To enter the initial phase of; to commence. 

  • To be a factor in. 

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 into and help oneself occurred in a corpus of books? (source: Google Ngram Viewer )