Why does the order of application search results in the Windows 10 start menu change when adding more letters of their common prefix?

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My question is best demonstrated through an example. I have both Visual Studio 2015 and Visual Studio 2017 installed and when I search with the query vi in the start menu, it finds them:

However, to my surprise, when I extend the query to vis, the order of the results suddenly changes:

When adding another letter, the results change even more:

And when using the full query visual, suddenly the results change back:

This happens despite the fact that both applications have the exact same prefix that matches. What causes this to happen?

This may seem like a petty problem, but this surprise leads to me launching the wrong version of Visual Studio quite often when I click an item by muscle memory, but don't enter the exact same query every time.

Overv

Posted 2017-06-27T18:07:07.473

Reputation: 330

Notice that only once you add the third letter does the full text of visual Studio 2017 appear in the search box. A clue, perhaps? – I say Reinstate Monica – 2017-06-27T18:10:49.703

@Twisty Good point, but when extending the query to visu, the results change even more. – Overv – 2017-06-27T18:24:04.850

No answers