Bumblefuck vs bump in the road

Bumblefuck

name
  • An isolated or backward location; the middle of nowhere. 

bump in the road

noun
  • A very small town. 

  • A setback or obstacle, especially one which is relatively minor. 

How often have the words Bumblefuck and bump in the road occurred in a corpus of books? (source: Google Ngram Viewer )