"compelling support for" is correct and usable in written English.
You can use it when making an argument to present evidence that supports your claim. For example: The survey results provide compelling support for the theory that increased income leads to improved health.
These results provide compelling support for DOT1L inhibition as a basis for targeted therapeutics against MLL.
These observations offer compelling support for the role of inflammation in colon carcinogenesis.
And the study of planets in our solar system provides compelling support for this idea.
A Daimler spokesman said, "As for the notes, we intend to demonstrate that they provide compelling support for our case".
According to Rozzi, the discovery at Les Rois in south-west France provides compelling support for that argument.
Theoretical contributions have focused on the importance of special interest groups, but empirical evidence has failed to provide compelling support for the theory.
But he said the documents offered "compelling support for our conclusion that this deal was an unsecured loan and not an energy transaction".
Using a fuzzy regression discontinuity design to disentangle adverse selection and moral hazard, I find no compelling support for extensive cream-skimming of public option by private insurers despite their ability to fully underwrite risk.
She agrees that the study provides compelling support for the idea of alleviating childhood poverty.
These findings provide compelling support for the existence of top-down, preparatory control processes that enable set switching.
These lines of evidence provide compelling support for a challenging hypothesis; the ingredients for continental crust are created at modern intra-oceanic arcs.
