"much more knowledge" is correct and usable in written English.
You can use it to indicate a greater amount of knowledge than a previously mentioned quantity. For example, "I need to gain much more knowledge if I want to become an expert in this field."
There's so much more knowledge.
We have much more knowledge about what's available in advertising, in affiliate fees and cable subscriber fees.
"In 2010 there's so much more knowledge about economics than there was in the '30s," Sunstein told me.
"It's much more accepted now because most of the modern coaches have much more knowledge of that area," he said.
The same is true of opponents of the drone war, who sometimes lay claim to much more knowledge than they actually possess.
You have so much more knowledge about a given position than your opponent does that, inevitably, over time, you're going to break through".
"But if you step back and look at the last two or three decades, you see the emergence of a much more diversified, much more knowledge-based economy".
One is external to the state: the global economy has become a much more knowledge-intensive place, with even the oil business turning into a high-tech industry, so Texas needs more and better universities and schools.
Though Halstead argues InfoSum's platform offers more for even this kind of audience building marketing scenario, because its users can use "much more valuable knowledge" to model on — knowledge they would not comfortably share with Facebook "because of the commercial risks of handing over that first person valuable data".
Understanding of an athlete's lifespan is limited with a much more sophisticated knowledge of their competitive careers and little knowledge of post-career outcomes.
We are transforming that knowledge into medicine, synthesized protein, energy production, and much, much more -- knowledge that equals, perhaps exceeds, everything discovered by Darwin and Cook and Shackleton and all the other ocean explorers we so revere from the past.
