List of private and secure search engines:

Search Encrypt

https://www.searchencrypt.com

It is a search engine with a focus on privacy.

DuckDuckGo

https://duckduckgo.com

The search engine that doesn't track you.

Startpage

https://www.startpage.com

The most private search engine in the world.

Qwant

https://www.qwant.com

The search engine that respects your privacy.‌‌