Use the Search For query box to specify which tags to list in the spreadsheet. You can select a tag from the list and edit it in the form. You can also search for a particular tag that you wish to edit. It will be shown in the spreadsheet and the form.
For example, if you type
Industry\Flow
the tag is listed in the spreadsheet and form.
For example, if you type
Industry\*
all the tags in the Industry folder are listed in the spreadsheet. The details of the first tag in the list appear in the form.