go over vs swot up on

go over

verb
  • To look at carefully; to scrutinize; to analyze. 

  • To create a response or impression. 

  • Used other than figuratively or idiomatically: see go, over. 

  • To score a try. 

swot up on

verb
  • To study particularly hard to learn a subject quickly. 

How often have the words go over and swot up on occurred in a corpus of books? (source: Google Ngram Viewer )