Sub collection not showing up on main collection condition

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In my store, I created different main automatic collections with conditions (by product type). Also, I created automatic sub-collections tied to those main collections. There are multiple manual sub-sub-collections that should be tied to the sub-collections and due to the fact that the sub-collection tied to the main collection, all products should show up on the main collections.

My problem is when I tried to set up a condition by product type in the main collection, I didn't find the sub-collections on the list of the collections. I am missing a lot of sub-collections on the condition list so I couldn't link those sub-collections with the main collection.

Please any solution for that will be much appreciated otherwise what is the direct channel to contact Shopify customer care.