be persistent vs move forward

be persistent

move forward

verb
  • To modernize. 

  • To reschedule (something) to an earlier date or time. 

  • Used other than figuratively or idiomatically: see move, forward. 

  • To cause to make progress. 

  • To make progress. 

How often have the words be persistent and move forward occurred in a corpus of books? (source: Google Ngram Viewer )