all over the map vs nowhere

all over the map

prep
  • Widely scattered or distributed; numerous and differing greatly. 

  • In widely scattered directions; in a widely varying manner. 

nowhere

adj
  • Unimportant; unworthy of notice. 

adv
  • To no place. 

  • In no place. 

noun
  • No particular place, noplace. 

How often have the words all over the map and nowhere occurred in a corpus of books? (source: Google Ngram Viewer )