"broad and complex" is a correct and usable phrase in written English.
You can use it to describe a situation or topic that is complicated and involves many facets or components. Example: "The economic situation in this country is broad and complex, requiring careful analysis of many different factors."
This chapter gives a glimpse into the broad and complex world of information security.
Your work or the issue you're writing about is likely broad and complex, with a great deal of nuance.
Israel's defense minister, Ehud Barak, told Army Radio that Israel was "moving closer to a broad and complex operation in Gaza" in response to the continued rocket fire.
The range of examples shows how broad and complex an issue health is, as well as the sheer scale of the need for improvement in the developing world.
They were involved in a broad and complex list of activities, including the field of communications, social work, ecumenism, human rights, and even politics.
But interviews my research team has conducted with educators and parents show that Americans maintain broad and complex aims for education.
However, the range of intercellular signals and transduction mechanisms that regulate NF-κB activity in neurons is likely to be broad and complex.
The majority's finding that the government's contraception coverage rules were not the "least restrictive" way to carry out the broad and complex health reform was also unpersuasive.
Her occasional outbursts are more than welcome, since they give the actress her few opportunities here to demonstrate a broad and complex range.
Multiple viewpoints can help draw from and leverage synergistic team efforts within higher education circles to address these broad and complex issues and challenges.
The subject matter is broad and complex, and thus is prone to cliché in public discourse, and also to difficulty in building international support for specific actionable items.
