The phrase "require more discussion" is correct and usable in written English.
You can use it in situations when you believe that something needs to be discussed in greater detail. For example: "The issue of taxation requires more discussion before a decision can be made."
Ryan told reporters in a press conference shortly after their meeting that the two had a good "first" meeting, but that the process of uniting the party — and handing over his coveted endorsement — will require more discussions.
But to Mr. Obama's surprise, Mr. Medvedev was not ready to sign off on a deal and raised issues that required more discussion, American officials said.
The cards have shown me that concepts I thought students had grasped required more discussion and that exercises that I figured were unsuccessful were in fact well received.
However, the applicability of the policy to MOOC instructors required more discussion, including a separate meeting with the directors of MIT's professional and executive education programs.
It requires more discussion than routine therapeutic consent but less formality than written informed consent.
A fist meant the topic required more discussion, after which the vote was again called.
Adolescents were more sensitive to the effects of OCD on peer interactions, which in turn required more discussion.
Most of the recommendations would require legislation, and Ms. Fischer acknowledged that a few of the suggestions — particularly the identification decal — required more discussions about costs, details and safeguards.
Besides, these ontology formats are still not accepted by many database communities, and hence it requires more discussions and debates to introduce a full proof, authentic, well-established and widely accepted standard pathway ontology.
