[CynicalBear]

>> It is logical to assume that St. Jerome, who worked prior to the Muslim occupation of Palestine, had access to the codices now lost.<<

So you have resorted to the theory that God was unable to preserve His word for us now also ey?

[annalex]

the theory that God was unable to preserve His word for us

Evidentially so: not a single codex survived in complete form; scholars disagree on whether some passages, such as the Adulteress Pericope, are genuine.

The Church, however, the pillar and ground of truth, is doing just fine, by Divine design.