For most cheats to take effect, you need to restart the game or load a save state after enabling them.
18;write_to_target_document7;default0;4c0;18;write_to_target_document1a;_gRnuaeTZKviqur8PwMqC6AQ_20;a5; Pro-Tips for a Better Experience 0;16; cheat db file for ppsspp better