push on vs run by

push on

verb
  • Used other than figuratively or idiomatically: see push, on. 

  • To persist; persevere. 

run by

verb
  • Used other than figuratively or idiomatically: see run, by. 

  • To inform briefly of the main points of; to bring an idea or proposal to the attention of (especially in order to obtain their opinion of it). 

  • To briefly stop at a location for a particular purpose. 

How often have the words push on and run by occurred in a corpus of books? (source: Google Ngram Viewer )