When using the search function, it would be extremely helpful if a user could search by Collection. For example, if I have “All Items” or “Collections” selected, I would like to enter the name of a collection in the search box and have it find all passwords associated with that Collection.
This would have to be an upstream change within Bitwarden as the client apps are not made by Vaultwarden.
There seems to already be some traction on this with the team according to the community mods
Alternatively this may be helpful too
>+organizationid:*- Search for all items that belong to an organization.