difficult situation vs helter-skelter

difficult situation

noun
  • a difficult situation 

helter-skelter

noun
  • Confusion or turmoil. 

  • A helical fairground slide. 

adj
  • Carelessly hurried and confused. 

adv
  • In confused, disorderly haste. 

How often have the words difficult situation and helter-skelter occurred in a corpus of books? (source: Google Ngram Viewer )