Complex sentence: However, the album went down to number 6 on March 12 2008 on the weekly chart in its second week, selling 27,281 copies, but managed to stay at the top of the Oricon International Chart.
Split into simpler sentences: However, the album went down to number 6 on March 12 2008 on the weekly chart in its second week, selling 27,281 copies. But it managed to stay at the top of the Oricon International Chart.