'marginal support' is a correct and usable phrase in written English.
You can use it to refer to a level of support that is minimal or nearly insubstantial. For example: Despite the endorsement of some key figures, the campaign only received marginal support from the public.
"Do they get marginal support from Iran and Syria?
Indeed, one of Mr. Davis's strongest arguments is that throwing him out of office could open the door for a complete novice with only marginal support to be elected.
Earlier, he told BBC Radio Scotland's Good Morning Scotland programme: "The country is completely divided on this, I think actually the latest polling shows marginal support for the renewal of Trident.
Current product lifecycle management (PLM) systems properly support the development of a product from the embodiment design stage to detail design and manufacturing phases; on the contrary, marginal support is provided to the earliest stages of conceptual design.
Moreover, although the findings showed marginal support for the existence of differences between the two samples in terms of persuasive quality features, a post-hoc analysis of the persuasive quality gap revealed a need to consider not only important and/or high performing characteristics but also persuasive features to fully understand cross-cultural e-government quality variations.
This can make writing referentially transparent expressions cumbersome in typical imperative languages where mutability is the rule rather than the exception and the language's syntax provides only marginal support for working with deeply nested immutable data structures.
This result, although marginal supported, is congruent, at least, with some morphological data [ 88].
Both ME and ML analyses gave marginal bootstrap support in few cases with no support greater than 59% (data for ME analysis only given in Figure 3).
It's a dangerous tactic that could prove brutally effective in other parliamentary systems like New Zealand's if the far right is not confronted early for its bigotry, regardless of how marginal its support may seem.
We also received marginal analytic support from the Directorate of Intelligence.... " In particular, a C.I.A. officer commented on the reasons for the C.I.A.'s failure to follow through on information about two Sept. 11 hijackers who came to the attention of the intelligence community in January 2000: How could these misses have occurred?
Peri-implantitis, gingivitis, increased probing depth, bleeding on probing, and progressive loss of marginal bone support at the buccal aspect of the implant have also been reported in implants [22,24,26,27].
