go-slow vs job action

go-slow

noun
  • Deliberate slow working as a protest during an industrial dispute. 

  • A period of time spent in an unusually slow fashion. 

job action

noun
  • A workplace protest by employees designed to inconvenience or disrupt the business of the employer, especially one which is limited in duration or severity. 

How often have the words go-slow and job action occurred in a corpus of books? (source: Google Ngram Viewer )