0 used when saying that what people may believe is not true, and the opposite may be true:
Her success hasn't caused tension - if anything, it's helped our marriage.
If anything, you have to work even harder when your dad's the boss.
I think I'm pretty honest about my emotions most of the time; if anything, I'm too frank about them.
We need to assess what happened and what, if anything, we could have done to prevent it.
The survey aims to find out what (if anything) religion means to people.
Fidelity in translation has little, if anything, to do with literal meaning.