blurb vs fifteen minutes of fame

blurb

verb
  • To supply with a blurb. 

  • To write or quote in a blurb. 

noun
  • A short description of a book, film, or other work, written and used for promotional purposes. 

fifteen minutes of fame

How often have the words blurb and fifteen minutes of fame occurred in a corpus of books? (source: Google Ngram Viewer )