Sometimes, garbled keywords are generated by bots or automated scripts. However, the presence of "HDToonsPlay" which resembles legitimate branding suggests a real human or semi-automated naming convention from a specific community.
The text you provided is a file naming convention commonly used by online video uploaders, likely referring to the 2020 animated film Sonic the Hedgehog -HDToonsPlay- Snc Th Hd9h9 2020 X26...