The phrase "a combination of massive" is correct and usable in written English.
It can be used when describing something that is made up of or involves large elements or components.
Example: "The project was a combination of massive resources and innovative ideas that led to its success."
Alternatives: "a blend of large" or "a mixture of substantial".
Economic development surged, spurred by a combination of massive subsidies, oil exploitation and rapid urbanization.
A combination of massive wealth in young, bored hands and an inexhaustible supply of daring couriers is guaranteeing a ready supply of drugs to Arabia.
The only way you wouldn't get a combination of massive inequality growth and middle class stagnation is if the innovations of the financial sector supercharged the economy so powerfully that the overall pie was bigger for everyone.
Fed chair Janet Yellen tried to reassure markets in a speech at the end of August, suggesting that a combination of massive government bond purchases and forward guidance on interest-rate policy could achieve the same stimulus as cutting the overnight rate to minus 6%, were negative interest rates possible.
For this vision of 5G wireless networks, which includes a combination of massive MIMO, heterogeneous networks, and distributed antenna systems, efficient signal processing techniques at the BS are necessary.
Now that we have a combination of massive compute power and obscene amounts of data thanks to tech titans like Google and Amazon, deep learning algorithms keep getting better, causing the likes of Elon Musk and Stephen Hawking to speak up about the many future possible dangers of artificial intelligence.
Fearing that a combination of malnutrition, massive numbers of displaced people, poor sanitation and the onset of the rainy season could lead to a deadly outbreak of measles, UNICEF, the World Health Organization (WHO) and Sudan's Ministry of Health launched the campaign in South Darfur.
As a legacy of the nation's revolutionary upheavals, elections under the Directory displayed an unhealthy combination of massive apathy and rancorous partisanship by small minorities.
Where so much of this kind of stuff can sound paranoid and icy he manages to splice together a combination of wistful nostalgia, massive melodrama, and twisted fun.
The third is the information technology revolution and the current revolution is described as an extension of the third, using a combination of hardware, robotics, and massive computing power to expand information technology beyond just software.
In an illustration of the extreme weather that has affected the U.S. in recent years, it was only a little more than a year ago that Mississippi River commerce was disrupted by record flooding induced by a combination of heavy rainfall and massive snowmelt.
