Search optimization is a premium product available with enterprise version of Snowflake and up.
https://docs.snowflake.com/en/user-guide/search-optimization-service
Search optimization expedites queries that can use exact matches in the predicates (where clause).
Frequently used lookup table would be good candidates for search optimization.
Search optimization is turned on at the table level. It works by pre-building, and storing search paths that your queries can use quickly returning resultsets or a sub-result of a larger query.
Keywords: tune, optimize, performance