hard to come by vs wanting

hard to come by

wanting

adj
  • Deficient. 

  • That wants or desires. 

  • Absent or lacking. 

prep
  • Without, except, but. 

  • Less, short of, minus. 

noun
  • The state of wanting something; desire. 

How often have the words hard to come by and wanting occurred in a corpus of books? (source: Google Ngram Viewer )