bag snatcher vs dacoit

bag snatcher

noun
  • A thief who snatches a handbag, shoulder bag, rucksack, etc., from the person carrying it. 

dacoit

noun
  • A bandit or armed robber, especially former parts of British India. 

verb
  • To commit armed robbery. 

How often have the words bag snatcher and dacoit occurred in a corpus of books? (source: Google Ngram Viewer )