Searching .oo3 as Kind in Finder

When I search for OO documents in Finder, I want to select OmniOutliner document for Kind, but they won’t populate because they are categorized as OmniOutliner. Does anyone else get the same result?

I have other ways to search for OO documents, but I’m curious why OS X suggests OmniOutliner document versus OmniOutliner?

I use this saved search criteria in 10.10.2:

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Is the finder search realible reliable just like a word document or a red document for example?