Compare the words entered by a user with words in a database of web pages and show the user the results that are the closest match to their original keywords
Search engines are used by personal assistants such as Amazon's Alexa and Apple's Siri, which allow you to speak your search terms aloud and have results through a speaker
When entering keywords into a search engine, only enter the important words that you think websites will contain, and keep it simple without adding too many keywords