The phrase "a very strong issue" is correct and usable in written English.
It can be used to emphasize the significance or seriousness of a particular problem or topic being discussed.
Example: "The debate surrounding climate change is a very strong issue that requires immediate attention from policymakers."
Alternatives: "a significant issue" or "a pressing issue".
"There was a lot more spending this time," he said, "and where in the past, people ran based on their qualifications, their résumé, their commitment to the college, in this most recent election, it was a very strong issue-based campaign in which one of the candidates ran, in effect, against the college".
But this is the first time even for me that I am taking on a very, very strong issue.
"There's a very strong accountability issue here".
"The UN really needs to take a very strong position on this issue, particularly the trafficking of human beings … [a problem] that has been created by climate change," the pope said.
It is UNICEF that has a voice, and a very strong voice in the issue of the education reform process.
"The Kansas Republican Party, its whole history, has had a very strong streak of moral issues, whether it's prohibition or abolition or pro-life issues," said Clay Barker, the executive director of the Kansas Republican Party.
"The governor laid out a very strong position on these issues because of our economic situation in California," said Matthew Cate, the secretary of the California Corrections and Rehabilitation Department.
"He was someone from the middle of mainstream American psychiatry taking a very strong position on these issues, where the only other people who were speaking out were those on the periphery," Dr. Galatzer-Levy said.
"He decided he would issue a very strong statement saying that they were false, they are anonymous and he has called for an inquiry as to how they actually were leaked," she said.
