(series:("CAL Targum", "The Text of the Earliest New Testament Greek Manuscripts", "Biblical Dead Sea Scrolls")) OR (type Bible AND title:codex)
does not work although each side of the OR works by itself.
I think you are missing the colon in type:Bible. With that added, the rule works for me.
EDIT: I don't have the Beta. I didn't pay attention to the forum. Sorry!
Ah ... thanks ...