Reward seat booking

Has anyone felt that it's been harder to find seats available to book in UC using miles (online), since the system / flying club changes?
Seems that even trying a search even at the full 331 days ahead of time, using a 5 week flexible search doesn't bring me up any real results?
Seems that even trying a search even at the full 331 days ahead of time, using a 5 week flexible search doesn't bring me up any real results?