The judge has found SOME portion of the charge(s) improper or not comporting with law and has dismissed ONLY THAT portion of the original charge(s). The remaining portion of the case is (presumably)...
Since it is voluntary, it wuld seem to indicate that the defendant themselves requested it (or acceeded to it). Usually, however, it is an order issued by a judge dismissing the charges that were...
Dismissed with Predjudice means the case cannot be brought back to the courts.
Dismissed without Predjudice means it can be brought back to the courts.