heavens vs hell's bells

heavens

intj
  • An expression of surprise, contempt, outrage, disgust, boredom, or frustration. 

noun
  • The distant sky of the sun, moon, and stars. 

hell's bells

intj
  • An expression of frustration, outrage, or surprise. 

noun
  • Jimsonweed (Datura stramonium). 

How often have the words heavens and hell's bells occurred in a corpus of books? (source: Google Ngram Viewer )