Let us split the string into its logical components:

If I had to take a guess, I'd say that "Eden Lake" might be a movie title, and "2008" could be the release year. "720p" might refer to the video resolution, and "English sub" could indicate that you're looking for a version with English subtitles. "Vega" might be a graphics processing unit (GPU) or a reference to a movie's visual effects, and "mkv" could be a file format.

Result: A perfect MKV with subtitles in under 2 minutes.

Given these components, if we assume you're referring to "Eden Lake" (2008) with English subtitles in a high-definition MKV format, here's a brief review of the movie: