Thank you for your letter informing the news to me. I checked the web site of Saudi Arabia (http://www.17ckd.com/en/hao123/www.sp.com.sa.html )and the web site of Thailand (http://www.thailandpost.co.th/)
As a result, there is someone who recieved goods on 15 January 2015. You should ask name of the recipient at post office in your country. (images confirm below from Saudi Arabia that post delivery successfully)
Hope that you will know who signed and recieved your goods.
sincerely.