Bip39 world list https://papaly.com/1/eMEf While it makes use of BIP32 approach it is possible to even now import BIP39 seeds into Electrum wallet. Also apart from BIp32 There is certainly BIP44 Variation which some wallet use with the generation of seeds. This can explain to you empty balances. That is https://reallivesocial.com/story6263729/bip39-rust-indicators-on-bip39-standard-you-should-know-https-x-com-tundra838554