"a growing trend of" is correct and usable in written English.
You can use this phrase when you want to describe something that is becoming more popular or widespread. For example: "Social media use has seen a growing trend of businesses using it to market their products."
"We are seeing a growing trend of children sleeping outside the CWS and UNHCR offices.
This reflects a growing trend of using business mechanisms to fight poverty.
"There was a growing trend of producing countries wanting to capture maximum windfalls from petroleum projects," she said.
Lesnar is part of a growing trend of amateur wrestlers who hope to make top dollar as professional fighters.
Six people were wounded in the attack highlighting a growing trend of strikes on Afghan rather than Nato military targets.
Whiteside said: "There's a growing trend of people shopping online, which means they are not going to the high street".
But others point out that the new episodes are simply part of a growing trend of intolerance.
Or were they simply part of a growing trend of playgoing as blood sport, and attending the theater only for the purpose of returning home to bash it?
WHO'S BUYING Mostly New Englanders, residents of the Metropolitan New York area, Midwesterners and North Carolinians, but there's a growing trend of transplanted Floridians moving halfway back north.
Yorkshire building society has launched a 10-year fixed-rate mortgage set below 4% – the latest in a growing trend of longer-term, lower-priced home loans.
There is a growing trend of politically motivated prosecutions, built upon "creative" interpretations of the existing laws and which rely upon material misrepresentations to prejudice the courts.
