"convoluted discussion" is a correct and usable phrase in written English.
You can use it to describe a discussion that is difficult to follow, perhaps because it is overly complex, rambling, or unclear. For example, "The meeting quickly devolved into a convoluted discussion that no one could understand."
Snake in the Grass is a project by artist Caitlin Rose Sweet that seeks to further explore and complicate the already convoluted discussion on Bosch's masterpiece.
After engaging in some convoluted discussion about legal ownership, you decide to clarify your terms: "Let the expression 'Originalowner' designate, for any possible world w, the original owner in w of that painting" (you point at the painting).
This made for a much more lively and convoluted discussion as students attempted to pursue multiple ideas at once.
The less ideologically defined board members meander through painfully convoluted discussions of their concerns.
Whilst we await an outcome to these somewhat convoluted discussions, the public north and south will no doubt make up their own minds about cases like those of Paudie McGahon and Mairia Cahill and their handling by both the IRA and the Sinn Féin leadership.
Axelrod loathes convoluted micro-policy discussions.
This led to some convoluted car discussions.
As a result, they said, conversations devolved at times into convoluted academic discussions that resolved little.
2.09pm BST Paxman says in his witness statement that pre-broadcast discussions with politicians can become "convoluted" because a process of expectation management takes place.
In following the above discussion on a possible defensive significance of convoluted paths, it is possible that complex environment in the dark does not provide the same sense of security than it does in an illuminated arena.
Hutton's discussion of the human costs of Maoism is laboured and convoluted; but the bottom line for him seems to be that the price was worth paying.
