go away vs whistle in the wind

go away

verb
  • To vanish or disappear. 

  • To depart or leave a place. 

  • To travel somewhere, especially on holiday or vacation. 

intj
  • A command encouraging someone to leave. 

whistle in the wind

verb
  • To attempt something that is futile; to say something that is not heeded. 

How often have the words go away and whistle in the wind occurred in a corpus of books? (source: Google Ngram Viewer )