You can now negate results by prepending any operator with not:, which will exclude specific results.

Examples:

  • headline:”elon musk” not:headline:tesla will return posts whose headlines include Elon Musk but exclude Tesla.
  • storytype:review category:smartphones not:category:apple will return posts in the Review story type and Smartphone category while excluding the Apple category.

Please read this post for more information regarding search operators.