Which is correct bad nor good or bad or good?

It depends on whether the context is negative. "Nor" is used only in negative contexts. For example, you could say, "There is some news, but it is neither bad nor good." The Word "neither" makes the context negative.

If the context is not negative, you should use "or". For example, you could also say, "I want to read the review whether it is bad or good."