Wiktionary
controlled chaos
n. A state, or situation, which appears to be completely disorganised, and yet where some people have things under control.
Usage examples of "controlled chaos".
If there can be such a thing as controlled chaos, it is seen around strange attractors.
With Aenea on my arm, I step out into the noise and tightly controlled chaos of the Main Reception Hall.
There was, on the surface, an overriding sense of controlled chaos.