The Spaniards were actually quite worried, which is why they weren't able to crush the Moros. They withdrew their soldiers to Manila in preparation for an invasion that never came because malaria. Malong and Maniago and Almazan were sideshows to the fear of Koxinga's assault.
Of course, we also have to remember that these were the dying days of the Habsburg empire (1665 is the start of Carlos II 'so-inbred-a-union-between-brother-and-sister-is-less-inbred' von Habsburg). Spain retained its vast empire, but it was starting to feel the strain and the debt. Also the hit from the exile of the Moriscos.