The phrase "a complicated mess of" is correct and usable in written English.
It can be used to describe a situation, concept, or object that is confusing or difficult to understand due to its complexity.
Example: "The project turned into a complicated mess of conflicting ideas and poorly defined goals."
Alternatives: "a tangled web of" or "a chaotic mixture of".
"Online music has become a complicated mess of apps, services and websites.
A living cell is a complicated mess of enzymes, ion channels, messenger molecules and voltages.
The first navigators appeared in 2002, but were a complicated mess of CD-Roms, wires and cradles and had to be hooked up to pocket computers.
That show takes a magnifying glass to an Alabama town and the people who live in it none of them public figures and a complicated mess of mysteries and tragedies within.
That show takes a magnifying glass to an Alabama town and the people who live in it — none of them public figures — and a complicated mess of mysteries and tragedies within.
If there is a serious point this show has unintentionally highlighted it's the idea that the reason a million 18- to 24-year-olds are unemployed is because of some sort of attitude problem, rather than a complicated mess of global economics and policy failures beyond their control.
Instead of a complicated mess on the Syrian border, I found people just like you and me, who need people just like you and me.
But the Medicare bill is such a complicated mess, full of concessions to one interest group after another, that it actually stands a chance of being defeated.
The idea of equality is a complicated mess, but most of us agree that when it comes to racial equality the principle requires finding present opportunity in the context of a very unequal past.
In arguing for a rewrite of tax laws, Bush said that they are "a complicated mess" and "full of special-interest loopholes". "Americans spend about 6 billion hours of paperwork and headache every year on the tax code," he said.
But with the opening of his Al-Muhassin mosque in Buckinghamshire last week, it's feared that tensions could reach boiling point and spill out of the pressure cooker into a sticky, complicated mess of sectarian conflict.
