search vs stake out

search

verb
  • To look in (a place) for something. 

  • To look thoroughly. 

noun
  • The act of searching in general. 

  • An attempt to find something. 

stake out

verb
  • To watch a location and/or people, generally covertly. 

  • To mark off the limits by stakes 

  • To end the game by hitting the stake peg in the middle of the court. 

How often have the words search and stake out occurred in a corpus of books? (source: Google Ngram Viewer )