bits and bobs vs bric-a-brac

bits and bobs

noun
  • A random assortment of things; small remaining pieces and items. 

bric-a-brac

noun
  • Small ornaments and other miscellaneous display items of little value. 

  • Any collection containing a variety of miscellaneous items; a hodgepodge, an olio. 

How often have the words bits and bobs and bric-a-brac occurred in a corpus of books? (source: Google Ngram Viewer )