Corner a corporate recruiter, and you'll hear a small truth: job searching, like fishing or dating, is as unexplainable as voodoo. Some things work for people, and others doing the same thing will be ignored. Some have natural gifts or advantages when job searching, and the rest of us are simply stuck doing our due diligence.
Benjamin Franklin nailed it when he said, "Fatigue is the best pillow." True story, Benny. There's nothing like pushing your body so far past exhaustion that you'd willingly, even longingly, take a nap on a concrete slab.