manage vs partial ordering relation

manage

noun
  • Manège. 

verb
  • To handle or control (a situation, job). 

  • To direct or be in charge of. 

  • To achieve (something) without fuss, or without outside help. 

  • To manage to say; to say while fighting back embarrassment, laughter, etc. 

  • To succeed at an attempt in spite of difficulty. 

  • To train (a horse) in the manège; to exercise in graceful or artful action. 

  • To handle with skill, wield (a tool, weapon etc.). 

partial ordering relation

noun
  • A partial order. 

How often have the words manage and partial ordering relation occurred in a corpus of books? (source: Google Ngram Viewer )