The phrase "a surprising set of" is correct and usable in written English.
It can be used when describing a collection or group of items, ideas, or phenomena that are unexpected or astonishing in some way.
Example: "The researchers discovered a surprising set of results that challenged their initial hypotheses."
Alternatives: "an unexpected collection of" or "a remarkable group of".
In his post-paternity-leave speech to the National Policy Forum next weekend, he won't be setting out a surprising set of fresh policies.
Kafka died from tuberculosis in 1924, leaving a surprising set of instructions to Brod: "Dearest Max, My last request: Everything I leave behind me [is] to be burned unread".
The novel's final section brilliantly interweaves the tragic three-handed drama of Voxlauer, his new love, Else, and her cousin, Kurt Bauer, with a surprising set of memories that counterbalance those we have heard from Voxlauer earlier in the book.
There is a surprising set of blue-and-white 18th-century Chinese export plates that were broken into pieces and fused back together with a train track of metal-wire staples.
LUANDA, Angola — Two weeks after the police opened fire on a crowd of 3,000 workers engaged in a wildcat strike at a platinum mine near Johannesburg, killing 34 people in the bloodiest labor unrest since the end of apartheid, prosecutors are bringing murder charges against a surprising set of suspects: the miners themselves.
But the electricity shortage -- both reliability and access -- has a surprising set of potential solutions.
A second, more surprising set of targets were the systems controlled by the protein kinase A (PKA) pathway.
We see a murder in a novel, and then we watch and wait until the layers of plot are revealed through a satisfying, often surprising, set of procedures that make us appreciate how clever the detectives (official and unofficial) can be.
Collectively, our surprising set of observations suggests that factors of the coagulation cascade have a novel role in organ size control.
And most surprising is a set of six small, green canvases from 1967 — the largest just 11 inches on a side — each of which has silk-screened on it in black the grainy, close-up image of a Leo Castelli Gallery artist: Frank Stella, Donald Judd, Roy Lichtenstein, Robert Morris, Robert Rauschenberg and Larry Poons.
