make far-reaching changes in vs overhaul

make far-reaching changes in

overhaul

verb
  • To search (a ship) for contraband goods. 

  • To keep (running rigging) clear, and see that no hitch occurs. 

  • To modernize, repair, renovate, or revise completely. 

  • To pass, overtake, or travel past. 

noun
  • A major repair, renovation, or revision. 

  • The process after the fire appears extinguished in which the firefighters search the structure for signs of hot spots that may cause the structure to reignite. Often this includes the process of salvage under the blanket term, salvage and overhaul. 

How often have the words make far-reaching changes in and overhaul occurred in a corpus of books? (source: Google Ngram Viewer )