localize vs zero in

localize

verb
  • To determine where something takes place or is to be found. 

  • To adapt a product for use in a particular country or region, typically by translating text into the language of that country and modifying currencies, date formats, etc. 

  • To adapt translated text to fit a local culture; to domesticate. 

  • To make local; to fix in, or assign to, a definite place. 

zero in

verb
  • To successfully narrow down a search (for). 

  • To focus one's aim; to zoom in and center (on something). 

  • To converge (on). 

  • To concentrate or focus one's attention (on a task). 

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