piece together vs run away

piece together

verb
  • To physically assemble (or reassemble) from fragments or pieces. 

  • To reconstruct an event or goal from incomplete or flawed elements. 

run away

verb
  • To leave home, or other place of residence, usually unannounced, or to make good on a threat, with such action usually performed by a child or juvenile. 

  • To become a runaway. 

  • To flee by running. 

How often have the words piece together and run away occurred in a corpus of books? (source: Google Ngram Viewer )