Also check various gamefaq sites, some peeps come together to find codes years ago.
Seems your google kung fu is bad..
Then look up a site that converts codebreaker to action replay, there is a few that will tell you how. There is even an App that will do it for you.
[Edited by DABhand, 4/14/2013 6:15:29 PM]
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem