open its doors vs set forth

open its doors

verb
  • To begin operating. 

  • To allow or invite outside influence, investment or immigration. 

set forth

verb
  • To start. 

  • To present for consideration; to propose. 

  • To begin a journey or expedition. 

  • To state; describe; give an account of. 

How often have the words open its doors and set forth occurred in a corpus of books? (source: Google Ngram Viewer )