pack up vs run for the hills

pack up

verb
  • To give in. 

  • To clear away and place into storage. 

  • To break, to cease to function. 

  • To put back together. 

  • To move one’s residence. 

  • To prepare for shipping, as a gift. 

  • To put into bags to prepare to move. 

run for the hills

verb
  • To flee. 

How often have the words pack up and run for the hills occurred in a corpus of books? (source: Google Ngram Viewer )