Hi marianna1016
It sounds like these missing packs had been previously registered to a different older EA account than the one you're currently logging in with.
Account recovery isn't something we can look into over the forums, so you'd want to get in contact with live support again so they can try and locate an older account of yours. You'd want to provide any older emails you may have used in the past, or if you can, try to locate one of the game codes for these packs.
Live support will need to verify that you're the owner of that older account as well, so you will need to provide enough accurate information in order for the team to get you logged back in again.
Try submitting a new help request on the site here so the team can take another look with you.