root about vs search

root about

verb
  • To search for something in a similar manner. 

  • To rummage; to look for something in a somewhat aimless fashion. 

  • To forage by poking the snout here and there. 

search

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

  • To look thoroughly. 

noun
  • The act of searching in general. 

  • An attempt to find something. 

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