The correct search text to paste is:
As you can see in the screenshot, all the relevant cards for this search should appear.
Also, make sure that “Cards” is selected instead of “Notes” in the browser. This way, suspended cards will be highlighted in yellow.
You can follow this tutorial for more details on how to suspend or unsuspend cards:
Selecting/Unsuspending Cards by Tag
Let me know if you have any more questions! 