In an array that has many possible matches of a search value, the most efficient strategy is to place the items first.

In an array that has many possible matches of a search value, the most efficient strategy is to place the most common items first. Most search engines do this by picking out the most popular or majority of words you searched and finding items that match it closely and list them in order of relevance. This helps eliminate time wasted on searching through information that wasn't directly related to the search. 

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