constrain vs tie someone's hands

constrain

verb
  • To force physically, by strong persuasion or pressuring; to compel; to oblige. 

  • To keep within close bounds; to confine. 

  • To reduce a result in response to limited resources. 

tie someone's hands

verb
  • To render someone powerless to act, to thwart someone. 

How often have the words constrain and tie someone's hands occurred in a corpus of books? (source: Google Ngram Viewer )