DuckDuckGo is an
example of a search engine.
Use search engines:
enter your search in a search engine, it searches within its
own database of web pages for the keywords you enter, wherever
they appear on a Web page.
DuckDuckGo automatically inserts AND between terms.
specific terms or phrases
Other search engines
include: bing, Ask.com, and Google.
to find well-known entities, such as IBM or government agencies
to find news, travel and shopping services