get together vs help oneself

get together

verb
  • Used other than figuratively or idiomatically: see get, together. 

  • To start dating; to start being a couple. 

  • to agree 

  • to accumulate, to gather 

  • to meet, to gather together, to congregate 

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