The phrase "a string of trafficking" is correct and usable in written English.
It can be used to describe a series or sequence of trafficking activities or incidents, often in a context related to illegal trade or smuggling.
Example: "The investigation revealed a string of trafficking operations that spanned several countries."
Alternatives: "a series of trafficking" or "a chain of trafficking".
As we set off beneath loblolly pines, she recounted the events that had led me to her doorstep: her arrest and jailing for a string of traffic tickets that she was unable to pay.
Only three full members have resigned: Robert Gates, his original defence secretary, who was himself a holdover from the administration of George W. Bush, and two successive commerce secretaries, Gary Locke and John Bryson the first to become ambassador to China and the second after causing a string of traffic accidents.
The discovery of a string of abandoned trafficking camps in Thailand and Malaysia, with their barbed wire cages and isolation cells, and the exhumation of mass graves containing the bodies of Rohingya migrants, followed shortly after.
A string of new traffic measures, including high fines, designated parking areas and campaigns to discourage driving in favor of mass transit, biking and walking, have eased the plight of pedestrians somewhat.
He has been charged with a string of offences, including drug trafficking, conspiracy to commit computer hacking, as well as money laundering.
A decade later, a string of sex scandals from Bosnia to the Democratic Republic of Congo to Haiti involving peacekeeping missions has forced the United Nations to change the way it handles accusations of trafficking, rape and related crimes.
You know the place, the one you get to when you hang a left at the diner onto Highway 27, and join the line of traffic bound for a string of enchanted summer villages where all the happy little bluebirds fly.
Someone had lit a string of flares around the accident to divert traffic.
"On the Dri Goat Go," a large, eccentric version of Manhattan, replete with street grid, Central Park, buildings, traffic, people and a string of yellow footprints leading from the Battery to Harlem, presents the borough as a vibrant creature in a universe of its own.
Or causing a string of sequential green lights -- an unheard of event in Seattle traffic -- to help a new driver avoid the hill starts.
