Can I use Countif with multiple criteria in one cell

Jay_CeeAUS

Hello would it be possible to use the Countif statement when there are multiple items in a cell. See below for further information

Here is the column that has multiple items in each Cell

I need to get individual counts of those items to then be populated into the sheet below

Mark.poole

=COUNTIF({Items Ref}, CONTAINS([Items Recovered]@row, @cell))

Jay_CeeAUS

How would I do this if I am reference another sheet for the count?

Here is what I was toying with