Pan's Labyrinth in Spanish with Spanish subtitles

I am unable to find one. Its either in Spanish with English subtitles or English with Spanish subtitles.

Si tienes el vídeo en español, puedes descargar los subtítulos por separado, por ejemplo aquí:

If there isn’t subtitles for something on that site does it not exist? There are some shows that I look up on there but they don’t have them in Spanish but I know that at one point subtitles were made for it? What would be the best steps to find something like that? It’s odd because they have very obscure languages but not Spanish for movies originally made in English? Are there any other subtitle sites that you would recommend that have more Spanish subtitles?

I really don’t know. Have a look at this page, which suggests several possibilities for finding subtitles: