chur vs don't forget to write

chur

intj
  • A parting salutation: bye, see you later. 

  • A strong voicing of agreement, approval, or thanks: awesome!, cheers!, ta!, thanks!. 

adj
  • Overwhelming; demanding; intense. 

verb
  • To do something overwhelming, demanding, or intense. 

don't forget to write

intj
  • Addressed to someone whose departure is permanent or for a long time 

How often have the words chur and don't forget to write occurred in a corpus of books? (source: Google Ngram Viewer )