I was in the nether broke a block infront of me and I phased through solid ground into lava and lost everything.... Can I Please Have Help With Gaining The Materials Back

I was in the nether broke a block and I fell through solid ground into lava and lost everything including my shulker boxes filled with diamonds gold iron blocks 3 elytras 21 3 power fireworks a stack of golden carrots 8 golden apples enchanted elytra enchanted sheild 3 power 1 fireworks with red and black pattern 4 dyes each a bunch of redstone tools a shulker full of netherack for building up many food types i forgot including cooked raw fruits and mob drop foods like rotten flesh stews dragon egg 4 dragon heads a maxed out book for trident maxed crossbow bow and fishingrod a stack of arrows fire resistance potions water breathing heart of the sea nautulis shells 3 of every horse armor 2 music disk 13's 1 wait disc  a stack of lapis half a stack of brewing stands over a stack of nether wart lots of blaze powder 2 bee hives a stack of emeralds and so much other stuff i cant remember at the moment