Charles Ellicott Commentary 2 Chronicles 15:4

"But when in their distress they turned unto Jehovah, the God of Israel, and sought him, he was found of them." — 2 Chronicles 15:4 (ASV)

But when they in their trouble did turn. —Literally, and he returned in his straits (Deuteronomy 4:30) to Jehovah, the God of Israel; they sought him, and so on. (Judges 3:15; Judges 4:3; Judges 4:15; Judges 6:6 and following; Psalms 106:44; Psalms 107:6.)