Pokemon Vba Cheats (gameshark) How Come Cheats For Pokemon Emerald On My VBA Won't Work?

How come cheats for pokemon Emerald on my VBA won't work? - pokemon vba cheats (gameshark)

I gameshark cheats for pokemon emerald VBA but I tryed but not all, includes to work. Do you know a place where you can get tips for gameshark pokemon ererald VBA. or you can just give me some cheats VBA? Plz