gunpowder tea vs hashish

gunpowder tea

noun
  • A form of Chinese green tea in which each leaf has been rolled into a small round pellet. 

hashish

noun
  • The leaves and tender parts of the Indian hemp plant (which are intoxicating), which are dried for either chewing or smoking. 

  • A cannabis extract. 

  • Marijuana generally. 

How often have the words gunpowder tea and hashish occurred in a corpus of books? (source: Google Ngram Viewer )