To understand why this specific string is so potent, we have to look at each operator:

: These are the target keywords. Google will prioritize files where these two words appear close together, which is the standard format for credential lists. Filetype Txt -gmail.com Username Password --BEST

: This is often a "quality" modifier used by those sharing leaked data (e.g., "Best combo list") or a way to find files that have been curated for high-value targets. The Risks of Credential Exposure To understand why this specific string is so