"their concern with" is a correct and usable phrase in written English.
It can be used to refer to the concern that someone has with something. For example, "The town council was worried about the voters' concern with the rise of taxes."
Their concern with global issues also became a vehicle for transformation inside the Soviet Union.
They accepted the call, but shared their concern with readers about what they characterized as a lack of transparency.
Aside from their discontent with the visible loss of Quechua traditions, they also voiced to me their concern with the rapidly changing nature of the environment.
Some of those involved in making "Pearl Harbor" have spoken of their concern with portraying the harrowing essence of those times.
But following the election of Donald Trump, the group focussed their efforts on expressing their concern with what the President-elect represents.
BBC executives made the decision late last week and defiantly reaffirmed it on Monday, citing their concern with protecting the corporation's impartiality in the Arab-Israeli dispute.
In their concern with light and atmosphere in landscape, they also owe something to Rembrandt's teacher Pieter Lastman, with whom van den Eeckhout would have been familiar.
Television is a sensitive topic among Disney executives, who even in an industry built on hype are renowned for their concern with the company's image.
Production managers, on the other hand, give relatively more attention to the decisional roles, presumably a reflection of their concern with efficient work flow.
In their concern with logistics—how something is provided, not just what is provided business-to-business comprovided business-to-businessrvice comprovided business-to-business
And it increases the role of these economic elites or their concern with maintaining their privileges against threats to their privileges and to their prosperity no matter where they come from.
