Bob's your uncle vs hey presto

Bob's your uncle

phrase
  • "No problem", "the solution is simple", "there you have it", "It's that easy", "you have what you want", "all will be well; indicates a desirable conclusion has been reached. 

hey presto

intj
  • Used by stage magicians, when performing a magic trick. 

  • Indicates a sudden desirable conclusion or change, as if by magic 

How often have the words Bob's your uncle and hey presto occurred in a corpus of books? (source: Google Ngram Viewer )