bushland vs shrubbery

bushland

noun
  • An area of land in a natural, uncultivated state; wilderness, open forest. 

shrubbery

noun
  • A planting of shrubs; a wide border to a garden where shrubs are thickly planted; or a similar larger area with a path winding through it. 

  • Shrubs collectively. 

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