heading for disaster vs in trouble

heading for disaster

in trouble

prep
  • Pregnant, unmarried, and not likely to be married before giving birth. 

  • Suffering difficulties. 

  • Liable to be punished for misbehavior; in disgrace. 

adj
  • in a difficult situation 

How often have the words heading for disaster and in trouble occurred in a corpus of books? (source: Google Ngram Viewer )