You can search for storyboards by the date of update, name, etc.
1) Click [Edit] on the menu bar, and click [Search storyboard].
The [Search storyboard] bar appears.
Alternatively, you can click the magnifier icon on the right of [Storyboard] on the sidebar to display the [Search storyboard] bar.
2) Specify the search conditions.
The search result will be displayed in a list.
Click on the storyboard you want to view, to display the list of the clips registered to the storyboard in the thumbnail pane.
If you right-click on the storyboard displayed in the search result and click [Show in the sidebar], you can display the storyboard on the sidebar.