go a long way vs go far

go a long way

verb
  • To achieve considerable success. 

  • To be adequate or helpful for a significant amount of time. 

go far

verb
  • To attain success, especially from humble origins; achieve a great deal. 

  • To cover significant expenses. 

How often have the words go a long way and go far occurred in a corpus of books? (source: Google Ngram Viewer )