Need Domain with Active Permission to Google AdSense Custom Search Ads

We want to buy a website domain and AdSense Account that is eligible for Google Adsense Custom Search Ads.

Introduction of Google AdSense Custom Search Ads: https://support.google.com/adsense/answer/1239255?hl=en

Please note that Google Adsense Custom Search Ads is different from just adding search engines to the website. Custom Search Ads is currently only available to a limited number of publishers. Therefore, running Custom Search Ads on the website requires higher qualifications.