"Archer" and "Sail the 7 seas" trophies not unlocking

Over the past few days I've been playing Minecraft Bedrock Edition trying to get the last few trophies I haven't gotten yet. But for some reason two trophies in particular, Archer: kill a creeper with with arrows and sail the 7 seas: explore all ocean biomes wont unlock. Im sure I've found all the ocean biomes in multiple worlds and I've definitely killed a creeper using arrows, but they still won't unlock, I hope thse get fixed soon because I cant get platinum otherwise. Thank you very much for reading. 

Sincerely, Matt