When you first go to the "ads" page, this drop-down is auto-set for your "Active" ads. If you want to find your inactive or archived ads, you can do that by following the steps below!
Go to your Ads page > Find the drop-down bar on the right hand side under 'Ad Status' to select the filter of the ads you would like to see.
Still can't see the ads after selecting the correct filter?
You might be getting a display issue, see this article to learn how to disable ad blockers: