Such sections should by themselves be enough to give future lunar developers ecstatic dreams. But if there are partially intact tubes, it is inconceivable that elsewhere, if not nearby, are to be found wholly intact tubes. Lava tubes are a natural concomitant of maria formation on the Moon, and will be common. But keep in mind that the maria were filled with a series of lava floodings, and the formation of each successive sheet should have its own lava tubes. On the plus side, lava tubes in deeper layers have been more protected from collapse due to later meteorite bombardment.
Deep tubes are unlikely to be discovered from orbit or from the surface.
The formative episodes of lava sheet flooding on the Moon are all very ancient events on the order of 3.5-3.8 B illion years ago. Surviving lavatubes on Earth are all much much younger than that, some only thousands of years old. In addition to being very ancient, lunar lava tubes differ in scale. Any lava tubes that have survived to this day wholly or partially intact are likely to continue to do so for the rest of time. The vast bulk of major asteroidal bombardment which has pocked the Moon took place in the first billion years of the Moon's history.