"an expanding range of" is a grammatically correct phrase and can be used in written English.
It is typically used to describe a variety or selection of something that is becoming larger or more diverse. Example: "With the rise of technology, we have seen an expanding range of job opportunities in fields such as artificial intelligence, data analytics, and digital marketing."
Indeed, customers have an expanding range of products from which to choose.
As experience accrued, Knapp revised and refined his list of recommended practices for an expanding range of crops and livestock.
Much of the history of environmental ethics can be understood in terms of an expanding range of moral standing.
In my own classes, I am implementing an expanding range of feedback exercises, cascading down from senior management like the winter-freeze melt.
In 1966, Ede passed Kettle's Yard over to Cambridge University and a succession of curators oversaw its gradual development through rebuilding, an extension and an expanding range of activities.
A month after Barack Obama launched aerial attacks against Islamic State militants in Iraq, the campaign has increased to more than 140 air strikes hitting an expanding range of locations.
For a copy of the brochure, which also includes an expanded range of European cruising options, call 01372 74201372
Both groups wanted to curtail the personal power of the king in favour of a true parliamentary system, based on an expanded range of civil and political rights.
Waterworks, a company known for its bathroom fittings and fixtures, is introducing an expanded range of lighting to help illuminate all that porcelain and chrome.
After 5 p.m. the kitchen offers an expanded range of entrees, many of which seemed to suffer from poor timing and delivery.
In 2011, Cubans were given the right to buy and sell their own homes and cars, to start an expanded range of businesses, and to travel freely all of which had been allowed only with the permission of the government.
