slim pickings vs sprinkling

slim pickings

noun
  • A small amount, especially of money; paucity. 

sprinkling

noun
  • A small thinly distributed amount, e.g. of some liquid, powder or other fine substance that is sprinkled on to something. 

  • The action of the verb to sprinkle. 

  • A light shower of rain. 

  • A scattering. 

How often have the words slim pickings and sprinkling occurred in a corpus of books? (source: Google Ngram Viewer )