Did you pre-order the game? Can you check whether the payment was actually taken from your bank / credit card account?
If everything looks ok from that side and you still haven't received a product code to redeem, then please contact customer support directly for help, by following these steps:
1. Click the link https://help.ea.com/en/contact-us/ask and log in with your Origin name and password.
2. Where it says: ’What Can We Help you With’, type in ‘FIFA 2014’
3. Click Find Solutions
4. Select "Billing/Purchasing" from the drop-down list and also select your platform form the list.
5. Click: Find Solutions
6. Scroll down a little and on the lower right hand side, Click "I Still need Help"
The Window Will Open...
You’ll now see the available contact options, depending on your geographical location and the time of day. Phone or Live Chat are the best options.
Hope this helps.