OK, then here's how I've made it happen:
Set Items to :
ComboBox1.SearchText = "",
Make sure you Clear the listGroupValue beforehand and you may have to retype "description" in the display and search fields of the combo box
Give it a shot and see if those ones appear, cuz the ones I have on my end are groups created via Outlook and/or Teams.. none directly via Sharepoint (I wouldn't even know where to start for those).
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