The string you provided looks like a specific leaked or automated URL fragment
A feature allowing users to switch between two different audio tracks (usually the original language and a localized dub like Hindi, Spanish, or Tamil) within a single video file. southfreakcom962018dualaudioh
The keyword appears to be a specific search string or legacy URL slug associated with a popular niche in the late 2010s: the distribution of dual-audio cinema files. The string you provided looks like a specific