"insufficiently comprehensive" is grammatically correct and is commonly used in written English.
It means that something is not comprehensive enough or does not provide enough information. Example: The report on the project was insufficiently comprehensive, as it only covered the financial aspects and did not include any details on its impact on the community.
I think the current laws regarding bribery and corruption have been adequately described as 'obscure, complex, inconsistent and insufficiently comprehensive'.
I imagine the Washington University team would find it insufficiently comprehensive — it doesn't mention diagnostics or communicability, and uses the term "Alzheimer's disease" precisely once — but it's a lovely tale of a boy already feeling the loss of his grandfather.
However, challenges became apparent from the provision of an insufficiently comprehensive response in the camps.
However, the necessary experimental data are at present insufficiently comprehensive for quantitative application.
However, not only that this was explained in a separate part of the Open Letter (i.e., point 21 on Rebelling against Leader), this argument is insufficiently comprehensive in capturing Da'esh's ideology.
The safety consciousness acquired by workers at their workplaces in the absence of specially designed home and leisure time intervention projects seems to be insufficiently comprehensive or deep enough to influence safe behaviour in other arenas.
Some nonliberal feminists argue that even comprehensive liberalism will be insufficiently critical.
'Either doctors' diagnoses for terminally ill patients are completely inaccurate, in which case there are serious doubts over the consistency of returns offered by these policies, or the research is not as comprehensive as would be desired - by Shepherds' own admission there is an insufficiently large sample size.
As one of the main limitations of workplace physical activity programmes has been the failure to attract the health needy proportions of the populations [ 12], we adopted a comprehensive recruitment campaign, working closely with the corporate partner, which allowed us to gain greater access to insufficiently physically active employees and thus those at risk of ill health.
These results indicate that the current LRP is an inadequate substitute for comprehensive LR testing and illustrate the pitfalls associated with designing genetic assays based on data from patients of insufficiently diverse ancestries.
This proved politically infeasible, however, when it was tried in the quickly repealed Medicare Comprehensive Coverage Act of 1988 because the well-off elderly were already satisfied with their coverage and others were insufficiently impressed by catastrophic insurance.
