It is possible to leverage Content Server's Search tool from within Shinydrive.
Navigate to the Search Administration Section of Content Server Administration (not Search Admin Browser)
Navigate to Open the System Object Volume
Open the Data Source folder (sometimes called Enterprise Data Source Folder)
Find your Search Manager (sometimes called Enterprise Search Manager)
Expand the fly-out menu and select Properties→Regions (restart Content Server if Regions is not present)
Find each of the following and ensure all of the boxes are checked:
“OTDataID”, “OTDataSize”, “OTLocation”, “OTName”, “OTMIMEType” and “OTSubTypeName”