Hi memai!
You can earn NeuCoin either by:

1. Taking part in our White Paper Bounty program, all the details are available here: http://forum.neucoin.org/t/white-paper-bounty-program/314
2. Answering a questionnaire about our Strategic Plan, you can earn up to 2,500 NeuCoins by taking it. You can access it from our home page: http://www.neucoin.org/en/

Let me know if you have any questions!