all the more vs if anything

all the more

adv
  • Even more; notably, but even more notably due to additional information, either preceding or following the statement. 

if anything

adv
  • Used to suggest or state tentatively that something may be the case (often the opposite of something previously implied). 

  • Used in questions when the speaker does not know for sure if the listener will have an answer. 

How often have the words all the more and if anything occurred in a corpus of books? (source: Google Ngram Viewer )