The phrase "a complex set of issues" is correct and usable in written English.
It can be used when discussing multiple interconnected problems or challenges that require careful consideration or analysis.
Example: "The committee is currently addressing a complex set of issues related to climate change and its impact on local communities."
Alternatives: "a complicated array of problems" or "a multifaceted group of challenges".
Clearly, this is a complex set of issues that yields no simple answers.
Each of these is a complex set of issues in its own right.
Such films, she said, "are dealing with what are a complex set of issues, but making them human for people".
Decades removed from the struggles of the nineteen-sixties, Edley and his colleagues faced a complex set of issues.
Students' research skills are developed in an attempt to develop an understanding of a complex set of issues.
However, mental health experts warned that a complex set of issues combine around middle age, which could lead to the development of particular difficulties.
The purpose of this study was to explore how dietetics professionals respond to a complex set of interrelated issues associated with genetically engineered foods and crops and to identify what varying viewpoints may exist.
At the risk of seeming to take a cookbook approach to an inevitably complex set of issues, let me offer a recipe for the focused factory based on an actual but disguised example of an industrial manufacturing company which attempted to adapt its operations to this concept.
In framing the decision as to whether to accept this idea, the case allows for discussion of a surprisingly complex set of issues.
"It's a very complex set of issues — things like animal welfare, monoculture, locally sourced produce, water pollution," Mr. Kelly said in an e-mail from London.
Engineering educators in South Africa have to introduce students to a particularly complex set of issues in sustainable development, which can only be achieved through engaged, active learning.
