u/Brawl_Killer2012

I’m really close to the platinum only a couple trophies left and one of them is the collectable one so I grabbed it all together by watching a guy on youtube but the trophy didn’t pop and now after checking It looks like I’m missing ones that I’m sure that I picked up
I went back to grab them quickly but the issue is they are not there any more
Am I cooked or there is a solution ?