Hi Chatchai,
Thanks for contacting us.I see that you didn’t receive your recent in-app purchase from Stone Age Begins. I definitely know how you’d like this to be taken care of immediately since you’re unable to locate and take advantage of this item. No worries, I’ve looked into this and provided you the necessary information I’ve gathered to address your concern.
For help with this issue, contact the App developer. The App developers are the best resource in these situations because they can investigate the issue with their tools. Here's a link to their website:
http://www.netmarble.net/mobile
You might also be able to restore your in-app purchase by following the steps in this article:
http://support.apple.com/kb/HT204530
If you still need help after contacting the app’s developer, reply back and let me know. I’ll be happy to help.
Note: Although we mentioned third-party products in this email, Apple doesn’t recommend or endorse these products.
If you have already contacted the developer but haven’t received a response or the issue remains unresolved, please reply to this email so I can assist you further. I will be awaiting your response.
Thanks,
Bryan
iTunes Store Customer Support
http://www.apple.com/support/itunes/ww