Ey! Maybe that can help https://www.sparrowwallet.com/docs/faq.html#ive-restored-my-wallet-but-some-of-my-funds-are-missing
and this is a very good resource on derivation paths but in Spanish, nothing that a good translate won't solve
https://estudiobitcoin.com/cartera-hd-y-derivation-path-que-son/