hereon vs up hill and down dale

hereon

adv

  • On this place. 

  • On this subject or basis. 

  • To this place. 

  • Hereupon. 

up hill and down dale

adv

  • Here and there; everywhere. 

How often have the words hereon and up hill and down dale occurred in a corpus of books? (source: Google Ngram Viewer )