get to grips with vs try to sort out

get to grips with

verb
  • To deal (with something) decisively, or to confront (it) head on. 

  • To battle (with something). 

  • To gain an understanding (of something). 

try to sort out

How often have the words get to grips with and try to sort out occurred in a corpus of books? (source: Google Ngram Viewer )