Is NBO-LHR on BA? That might be a big YQ. How about something like this:

OSL- DOH-LAX-JFK-DFW-LAX-PVR-DFW-HKG-DPS//SIN-CMB-MLE-DOH-NBO-DOH-OSL

You don't say what FFP you're in but this is more miles so it should be more points. As long as the DFW-HKG is on AA, they should be happy to book it.