It looks like you're searching for the Vietnamese film (possibly misspelled as "Ma Muoi"), or you might be referring to a horror film titled "Ma Muối" — but there is no widely known Vietnamese film with that exact name.
However, to give you the most helpful answer for your request:
If you meant — that’s a lesser-known Vietnamese movie. If you were looking for a horror movie, you might be thinking of "Muối" (Salt) or another Vietnamese horror film.
It looks like you're searching for the Vietnamese film (possibly misspelled as "Ma Muoi"), or you might be referring to a horror film titled "Ma Muối" — but there is no widely known Vietnamese film with that exact name.
However, to give you the most helpful answer for your request:
If you meant — that’s a lesser-known Vietnamese movie. If you were looking for a horror movie, you might be thinking of "Muối" (Salt) or another Vietnamese horror film.
