Not OP, but to me, this reads fairly similar to how ClickHouse can be set up, with Bloom filters, MinMax indexes, etc.
A way to “handle” partial substrings is to break up your input data into tokens (like substrings split in spaces or dashes) and then you can break up your search string up in the same way.
A way to “handle” partial substrings is to break up your input data into tokens (like substrings split in spaces or dashes) and then you can break up your search string up in the same way.