Terminated employments will not be displayed when searching using the search icon in the top right corner.
Instead, you will need to filter the All Employees menu:
Go to Admin Menu.
Select All Employees.
Next to the Quick Search field, click Show Advanced Filters.
This will then open the Filters from the left-hand side.
Scroll down through this menu and click Status.
In this section, you will see different options that are selected.
Untick all the unnecessary options in this case leaving Terminated.
Click Filter.