Leapster Learning System "dora" Questions

My daughter got secret codes "rafting dora", "hiking dora" and "special princess" using her leapster, but when I put them in on the web page it does not work Only enter the first word (i.e. "rafting")

I can't enter one of the secret codes from my leapster enter the first word from the code ex: hiking dora...put in just 'hiking' :)

...like Diego or Cars visible on TV? You can buy expansion packs that have other characters like Dora, more Scout etc. I'm not exactly sure what other characters they have or if they have Diego or ...