Thmyl Kwntr Wady Aldhyab <Extended>

However, these names don't correspond to well-known landmarks in standard English or Arabic geographic databases I have access to.

It seems you're asking about a feature or location related to and "Wady Aldhyab" (likely Wadi Al-Dhiyab / وادي الذياب). thmyl kwntr wady aldhyab