more of 这样可以用吗？he succeeded in the show by more of his speec

more of 这样可以用吗？
he succeeded in the show by more of his speech than what he acted.
这句话通吗？另外，more of我看见一般都是放在宾语前面，比如he is more of a nuisance than it should be 可见more of 一般都是用来做宾语的修饰成分。那我用在by 后面做状语的修饰可以吗？i wish i could be more of help 还是 i wish i could be more of helpful 正确？请高手回答，谢谢了！