polytechnic vs university of applied sciences

polytechnic

noun
  • A three-year post-secondary vocational training institute, equivalent of community college in the U.S. or TAFE in Australia. 

adj
  • that teaches applied arts, sciences, technology, engineering and other academic subjects 

university of applied sciences

noun
  • An institution of higher education, which provides tertiary and sometimes quaternary education and grants professional degrees in a variety of subjects that typically lead to careers in e.g. engineering, nursing, commerce. 

How often have the words polytechnic and university of applied sciences occurred in a corpus of books? (source: Google Ngram Viewer )