I hadn't looked at that, but I've just checked it, thanks.
SYD - DXB is coming up fine, but can't get anything for DXB-DUB. Looking at April 19 2017.
Edit: I can see availability all the way from SYD - DUB (using Multi-City method) on the 9th, 10th, 11th and 12th of April, so perhaps they're...