When searching a large database or the internet, a query will most likely return millions of results. Use more keywords to improve accuracy and to reduce a high volume of results.
For example, the following search for a local music festival will get increasingly accurate results:
Most search engines have advanced search options which help you narrow down the results even further.
Search engines try to make sense of your query. For example, in the past a search for ‘Doctor Who’ might have returned results like ‘Doctor Seemore, who is an eye specialist’. Today, the same search returns results for the TV programme Doctor Who.