Meaning of Item Notes Search Criteria

[armsys]

Kinook,
Thanks for your clarification. Definitely it's helpful.
First off, it's my flaw. My original Search Criteria (see the screenshot) turns out to be correct. However, it yielded numerous info items with blank notes. After further examination, Those UR search results were right. All those blank notes actually contain whitespace(s).
Thanks Kinook.
Thanks UR.
Armstrong