Amazon PPC campaign

We sell bubble tea products on Amazon Europe and USA. I need help with ppc.
https://www.amazon.de/-/en/stores/BubbleteabyBubbleMania/page/B7EFD6AD-F5F8-4E2B-85DD-7553942047DD?ref_=ast_bln

These are all the products we do sell
Normally we are on the first site in searching for popping boba
But i need to be here on the first place like the other company
https://www.amazon.de/s?k=popping+boba&crid=CA93557C62QS&sprefix=popping+boba%2Caps%2C99&ref=nb_sb_noss_1
Please check and let me know your thoughts