conquer vs win through

conquer

verb
  • To overcome an abstract obstacle. 

  • To defeat in combat; to subjugate. 

  • To acquire by force of arms, win in war; to become ruler of; to subjugate. 

win through

verb
  • to attain one's goal in the end, despite obstacles along the way 

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