Thanks @thehumantorch and @KPR Comics for reminding me something.
Anything came out of the box, no label on the box or unreadable label that are going to goods department. They are checking all tracking numbers and sort them out if those packages were delivered until few tracking numbers left that haven't delivered. They have to figure it out which goods are belonged to. Yes, it takes a while up to 90 days but 9 months that may be complicated for some reasons. The invoice is on/inside the box is very helpful. Sometimes, those goods are untraceable and will be sold as the wholesale to the public.