move out vs pound the pavement

move out

verb
  • To leave one's present location; to leave somewhere for another place. 

  • To vacate one's place of residence or employment. 

pound the pavement

verb
  • To travel on foot; to walk or run. 

  • To campaign diligently; to seek something, such as business, employment, or answers. 

How often have the words move out and pound the pavement occurred in a corpus of books? (source: Google Ngram Viewer )