Bottom Coil Clearomizers, like the Phoenix or CE3 will work with thick juice.
I don't know why you're having the problem with the Boge's though. When I first started
vaping, I used 100%VG in Boges and never had a problem. Mabye the resistance is too low or you're just vaping too fast?
With top coil clearos you have to tilt the clearo now and then. It won't creep up the wick when it's held vertical like thinner juice, but if you tilt it the wicks will be saturated and it will work o.k. Some clearos are better than others about this. I use fluxomizers with thick juice and don't have any problems. When the juice level gets very low, I just have to tip it more often.