"adds layers of complexity" is a correct and usable phrase in written English.
It is typically used when describing a situation or topic that is becoming increasingly intricate or difficult to understand. Example: The scientific research paper adds layers of complexity to the current understanding of climate change, challenging previously held beliefs and theories.
Operating across borders adds layers of complexity to any business, Mr. DeSantis said.
Opera's ultimate fairytale-cum-adventure story, it was written as a piece of popular theatre in a form closer to pantomime than any other genre, though the deployment of Enlightenment and masonic imagery in the text adds layers of complexity to the narrative.
While the writer and artist are, of course, the structural foundation of the story, the color artist adds layers of complexity.
Post-translational protein modification adds layers of complexity to macromolecular function.
There have been no detailed environmental data gathered on which to base such assessments, and the myriad of individual factors which modify exposure to environmental chemicals, such as tapwater consumption habits, time spent indoors and outdoors, housing characteristics, and work habits, adds layers of complexity.
"The new system in Greater Manchester is adding layers of complexity to an already complex system, and could be viewed from the local boroughs and GP practices as 'centralising' to the GM level rather than devolving or decentralising.
In some cases, history has added layers of complexity to an image.
They signed a five-CD deal with BMG Classics/RCA Red Seal at the end of March, adding layers of complexity to their lives.
A number of cross-border attacks have added layers of complexity to an already fraught relationship between Israel and Egypt.
Of course in every case, there are reasons of history and tribe and territory which add layers of complexity.
D'Antoni has simplified the offense and says he plans to add layers of complexity as the season progresses.
