The phrase "deeper underlying problem" is correct and usable in written English.
It can be used to refer to a problem that is more complicated than it appears on the surface. For example, "The true problem was much more serious than it seemed, and there was a deeper underlying problem that needed to be addressed."
It's a far deeper underlying problem than that, and in the case of severe body dysmorphia, it can lead to serious self-harm, in a way.
Both milling and planing are appropriate for several types of corrective re-profiling of rails but, if such work is required routinely, it is symptomatic of a deeper underlying problem.
However, joint registry reports from -England and Wales and Australia suggest that this issue is not specific to the ASR, but that there is a deeper underlying problem.
It seems to me that these are perhaps rather symptoms of a deeper, underlying problem which explains why fewer foreign students even try to apply for grad school in the United States.
This suggests that the market responds negatively to the NT filings because they convey news about deeper underlying problems.
NOAA continues to study the situation for indicators of deeper underlying problems like algal blooms or infectious disease, and the agency, along with the sea lions, is waiting for the state's oceanic desert to bloom with life again.
We further find evidence suggesting that when accounting reasons are cited for the delay, investors infer that quarterly filings signal deeper underlying problems that ultimately prevent management from meeting the grace period deadline.
With the failure of the Stilo to repeat the trick, deeper underlying problems were exposed.Apart from being over-dependent on a single model, Fiat was slow to raise the quality of its products.
We clearly need bigger solutions than this to turn the economy around, given the deeper underlying problems.
He said the deep, underlying problem was not Help to Buy but a failing housing market.
Youth unemployment went up in the years of economic growth as well as recession, so this is a deep underlying problem with the British economy that we have to solve".
