"raise a need" is correct and usable in written English.
You can use it when you want to point out the necessity or importance of something. For example, "We need to raise a need for improved literacy in our schools."
The demands will raise a need for guidance on exactly how the public is to be involved.
It seems unlikely the Syrian government will seek to obstruct the process and raise a need for enforcement measures, but troublesome practical and political problems will inevitably arise.
These developments raise a need to assess whether the technical, social and economic conditions justifying the inclusion of mobile communications and broadband access in the universal service obligation are fulfilled, as well as related financing aspects.
Neurologists must always consider differential diagnoses, and remain alert to other possible diagnoses that raise a need for further examinations: the Red flag element of SMART serves mostly to signal cases that might be secondary headache.
The situation raises a need for a Web evaluation system which can help them find and assess Web resources effectively.
The continuous release of toxic persistent organic pollutants (POPs) into the environment has raised a need for effective cleanup methods.
Despite their well-known critical state, their conservation remains inadequate, thus raising a need to advance TRB conservation via spatial land-use planning.
The increased usage of traffic simulation for level-of-service analysis has raised a need for guidelines on how to apply and use traffic simulation models.
The advances of timber engineering in the field of tall buildings raised a need for high performance connections that can accommodate increased demands due to higher loads and longer spans.
If they raised a need, we would adapt to meet that need.
The heterogeneity in the surgical management of this condition raised a need for clarity on the effectiveness of the different types of grafts, through a systematic, critical appraisal of the literature.
