It would have to be a search engine with a business model that alignes its incentives with the incentives of the user thus probably being a paid product which n

It would have to be a search engine with a business model that alignes its incentives with the incentives of the user thus probably being a paid product which none of the above qualifies. Everything else will introduce bias coming from the fact that advertisers are paying for the product to exist and inherently biasing results.