The phrase "advanced part" is correct and usable in written English.
It can be used to refer to a more complex or sophisticated section of a subject, project, or system.
Example: "In the advanced part of the course, we will explore machine learning algorithms in depth."
Alternatives: "complex section" or "sophisticated component".
The new Norman Foster-designed station at Canary Wharf is the most visibly advanced part of the £14.8bn Crossrail project.
After the head, the hand is, as Ms. Sherman puts it, the "most distinctively human and anatomically advanced part of the body"; its representations play an essential role in "achieving knowledge of the self and interpreting universal human experience".
While one highly advanced part of the human brain is able to devise a machine that can fly over the ocean, another more primitive part is confused and terrified by finding itself up there.
The most advanced part of the project to date is the compost-grown tobacco.
The most advanced part of plane Euclidean geometry is the theory of the conic sections (the ellipse, the parabola, and the hyperbola).
His shop and Zamazingo are directly across Lillie Road from Capco's luxurious marketing suite for the most advanced part of the Earls Court Project, an as yet unbuilt housing development to be called Lillie Square whose cheapest market sale flat is priced at £595,000.
American tanks advanced part-way across the bridges to a point where they could fire at will at any Iraqis approaching the bridges from the eastern end, where what is left of Mr. Hussein's once-consuming power now resides.
Recently, he and another climber-theorist, Dr. Lisa Randall of the Massachusetts Institute of Technology, published a paper, "Linearized Gravity in Brane Backgrounds," advancing part of a daunting theory that the universe is a four-dimensional bubble (or "4-brane") floating in a 5-dimensional megaverse.
In addition, the stem cell field is a rapidly advancing part of regenerative medicine, and new discoveries in this field create new options for this type of therapy.
Just months ago, the lame-duck assembly appeared to be a major opportunity for Mr. Obama to advance parts of his agenda.
The op-ed sent shockwaves through the nation almost immediately after it was published because it explicitly said that members of the administration were attempting to prevent President Donald Trump from advancing parts of his agenda.
