Review Links to Thai-Released DVD with English Subs
This review on Twitch -- one of the few reviews of The Goodbye Kiss to appear in English -- contains a link to a Thai site that used to carry a version with English subs. Their version was the Thai release. It's possible that someone online still carries it.
Link:
http://twitchfilm.net/reviews/2007/08/arrivederci-amore-ciao-the-goodb ye-kiss-review.php