The phrase "a complex set of factors" is correct and usable in written English.
You can use it when discussing multiple interconnected elements that contribute to a particular situation or outcome.
Example: "The decision to implement the new policy was influenced by a complex set of factors, including economic conditions, public opinion, and legal requirements."
Alternatives: "a complicated array of elements" or "a multifaceted combination of influences".
A complex set of factors goes into determining how much a name is worth.
In Luther's case, however, a complex set of factors made such punishment impossible.
Driving the hundreds of escapes was a complex set of factors, some emotional, some circumstantial and some the result of lessons learned from 1993.
Unlike earlier explanations that weighed a complex set of factors, including wind and ice flow, the new solution involves only heating and cooling of the ice in a basic feedback mechanism of a kind found elsewhere in nature.
Like any kind of human behavior, our response to competitive pressure is derived from a complex set of factors — how we were raised, our skills and experience, the hormones that we marinated in as fetuses.
James Hartsfield, a spokesman for the Johnson Space Center, said that the work schedule for any mission is determined largely by the time of the launching, which is in turn determined by a complex set of factors that includes orbital mechanics.
Against this global backdrop, a complex set of factors-such as socio-cultural and transition experiences, education, income, social status, housing, employment, health services, personal health practices, and the physical environment-comes into play.
The challenges in tackling financial exclusion are manifold and driven by a complex set of interactive factors (basic financial literacy, geographical exclusion, relative costs of financial services and products) as well as being linked to a wide range of social issues.
Further studies showed that its effects are modulated by a complex set of other factors, and leptin has yet to be developed into a widespread human treatment.
A return to work is thus influenced by a complex set of interrelated factors that must be taken into account in any intervention.
Landholders' willingness to participate in conservation programs depends on a complex set of social factors, and the benefits they expect from participation.
