shake up vs tug at someone's heartstrings

shake up

verb
  • To upset or distress (a person). 

  • To agitate by shaking. 

  • To reorganize, to make reforms in. 

  • To restore to its original shape by shaking. 

tug at someone's heartstrings

How often have the words shake up and tug at someone's heartstrings occurred in a corpus of books? (source: Google Ngram Viewer )