hold on vs not take no for an answer

hold on

verb
  • To remain loyal. 

  • To grasp or grip firmly. 

  • To persist. 

  • To keep; to store something for someone. 

  • Wait a short while. 

not take no for an answer

How often have the words hold on and not take no for an answer occurred in a corpus of books? (source: Google Ngram Viewer )