It is becoming near impossible to find relevant information from search engines. Duckduckgo, SearXNG, Bing, Google, and so many more mainstream engines have a significantly high noise to signal ratio, and it is getting worse.
Here are a collection of the best search engines I know, please add more to the list.
But they are long gone because they came from the old academic & idealistic internet and they never learned to survive in that internet where money rules.