hell's bells vs suffering Sappho

hell's bells

intj

  • An expression of frustration, outrage, or surprise. 

noun

  • Jimsonweed (Datura stramonium). 

suffering Sappho

intj

  • Exclamation of shock. 

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