Comparing the results, in a search for "Neeva", the only results they have in common on the first page are exact name matches and one article from the NY Times:
DDG:
neeva.co, neeva.co/blog, moneycontrol.com, indiatimes.com, nytimes.com, neeva.tech, neevagroup.com, babycenter.com
https://duckduckgo.com/?t=ffab&q=neeva&atb=v63-1&ia=web
Bing:
neeva.co, nytimes.com, androidauthority.com, medium.com, oflox.com, gomoguides.com, neeva.tech, neevagroup.com
https://www.bing.com/search?q=neeva
(I don't use Bing, and DDG isn't supposed to track me, so neither should be personalized results.)