push on vs run past

push on

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

  • To persist; persevere. 

run past

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

  • To bring an idea or proposal to the attention of (someone) in order to obtain their opinion. 

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