Nuer is one of the languages of Sudan (Africa).
For more information, see SIL Ethnologue code nus.
The American Bible Society sometimes carries the Nuer Bible. Call them at 1-800-32-Bible to place a special order.
You can also try contacting the Bible Society in Sudan to research whether Bibles are currently available.
The "JESUS" Film, based on the Gospel of Luke, has been translated into Nuer. To order, visit jesusfilmstore.org. Or order by phone from Campus Crusade at 1-800-432-1997.