Search your cloud storage for "20220127" or "WA0000". If you have auto-backup enabled, the file may be stored there even if it was deleted from your phone.
If you previously downloaded it, check your computer's Downloads folder for that specific filename. 3. Cloud Backups Download VID 20220127 WA0000 mp4
Do you have access to the where this video was first shared? Search your cloud storage for "20220127" or "WA0000"