cover ground vs get along

cover ground

verb
  • To do a certain amount of work; to make progress towards an end. 

get along

verb
  • To survive; to do well enough. 

  • To interact or coexist well, without argument or trouble. 

  • To go; to move; to leave. Also, git along. 

How often have the words cover ground and get along occurred in a corpus of books? (source: Google Ngram Viewer )