barnstorm vs ring doorbells

barnstorm

verb
  • To travel from town to town performing in front of small crowds. 

  • To travel around the countryside making political speeches etc. 

  • To appear at fairs and carnivals in exhibitions of stunt flying, sporting events, or theater. 

noun
  • A series of appearances in small country towns, as by a politician or a travelling theatre group. 

ring doorbells

How often have the words barnstorm and ring doorbells occurred in a corpus of books? (source: Google Ngram Viewer )