In particular Searx[1], which is a search engine aggregator with dozens of backends, including one for Reddit. You can self-host it or use one of the public instances[2].
If you self host your searches likely won't be as anonymous as going through somethinglike duckduckgo or startpage unless you have a dedicated VPN 24/7
[1] https://github.com/searx/searx
[2] https://searx.space/