The phrase "a few simple changes" is correct and usable in written English.
You can use it when referring to minor adjustments or modifications that can lead to improvements or different outcomes.
Example: "To enhance the performance of the software, we only need to implement a few simple changes in the code."
Alternatives: "a couple of easy adjustments" or "some minor modifications".
The charity is asking the public to make a few simple changes.
Make a few simple changes to your life and you'll be in better shape in weeks – no changing rooms required.
The second assumption -- that the rate of expansion can be raised quickly by a few simple changes in economic policy -- has some validity, but only short term.
A few simple changes can help challenge that gender bias, which will benefit public health, help tackle climate change and make our cities more liveable.
A spokesperson for the Canal and River Trust said: "The charity is asking the public to make a few simple changes.
In short, the cost of preventing catastrophic climate change is astonishingly small, and it involves just a few simple changes in behavior.
Merely tweaking the garbage bin with a few simple humanizing changes was enough to make people anticipate feeling guilty, and change their plans to avoid this aversive emotion.
With a few simple chord changes reminiscent of John Mayer, his newfound composure yields to vengeance.
Their experiences are radically divergent – but a few simple policy changes coupled with the adaptation of more progressive gender roles would make a world of difference for nearly all of them.
They also had no difficulty increasing their imports from Sweden and Switzerland, and, through a few simple design changes, they were able to greatly reduce their need for ball bearings in aircraft production.
He sounds his best at close range, which is unfortunately rare on "Purpose," the exception being a spare guitar song called "Love Yourself". With a few simple chord changes reminiscent of John Mayer, his newfound composure yields to vengeance.
