any one thing vs anything

any one thing

anything

pron
  • Expressing an indefinite comparison. 

  • Any object, act, state, event, or fact whatever; a thing of any kind; something or other. 

adv
  • In any way, any extent or any degree. 

noun
  • Someone or something of importance. 

How often have the words any one thing and anything occurred in a corpus of books? (source: Google Ngram Viewer )