Not only that but also you often want to anticipate or avoid some common responses so you make special effort to make sure you've tried all common techniques an

Not only that but also you often want to anticipate or avoid some common responses so you make special effort to make sure you've tried all common techniques and referenced all available resources. Doing this is often the answer. E.g. It's just not working, I've tried everything I can think of, I looked up the official documentation on this method and... oh, there's a big highlighted paragraph explaining what to do in this situation.