Yandex.Direct expands negative keywords
You can now add phrases 2-7 words in length to your campaigns and ad groups.
All Yandex.Direct operators – " " (inverted commas), [ ] (square brackets), + (plus sign), and ! (exclamation mark) – They help increase the accuracy of your negative keyphrases and prevent your reach from being overly constricted.
For more details about expanded negative keywords, read the help section.