If you meant something else (e.g., a feature of a specific software, book, or legal database named "MJMwt alqanwn aljnayy"), please provide more context so I can give a precise answer.
If you are asking for a of a penal code (or a collection of criminal laws), a notable one is: mjmwt alqanwn aljnayy
The phrase appears to be a transliteration of the Arabic "مجموعة القانون الجنائي" , which means "Penal Code" or "Criminal Code Collection." If you meant something else (e