according to the rules vs without prejudice

according to the rules

without prejudice

prep
  • Not affecting nor considering other possibly related issues. 

  • Without affecting a legal interest. 

  • A term used to allow a statement or proposal in communications, while allowing the party to return to their original position without being impeded by the described statement or proposal. 

How often have the words according to the rules and without prejudice occurred in a corpus of books? (source: Google Ngram Viewer )