Can I try to explain?
?????? is the general salvation. But ?????? is specifying the thanks of to the path that Hashem took, he took a stand as being ?? ??? ????? & not just that the Yehudim in that time should be saved from their enemy. In the days of ????? their ????? came as a plain salvation but not as a winner with strength & might. Here at the story of ????? Hashem should an additional greatness of ?????. As it says ???? ????? ?????? ??? ???. That’s a special specialty to be mighty winners.