They are identified as rich snippets and you have these by including Schema markup to your articles. Bing, Google and Yandex use this markup to existing these rich snippets within their search results. We've quite normally set up ids to resolve replicate entities, and it has improved rich snippets. e.g. https://sociallweb.com/story4123936/not-known-details-about-prestashop-custom-product-options