give someone to understand vs mean to say

give someone to understand

verb
  • To tell someone, especially indirectly; to insinuate. 

mean to say

verb
  • To imply or intend to convey with one's words; used to correct or clarify one's previous utterance, or to seek such clarification. 

How often have the words give someone to understand and mean to say occurred in a corpus of books? (source: Google Ngram Viewer )