"propaganda activities" is a correct and usable phrase in written English.
You can use it when referring to someone or something that is attempting to influence opinion through the spreading of information, ideas, or rumors. For example: "The organization was accused of engaging in propaganda activities in order to sway public opinion on the issue."
"Cuba is very active in their espionage activities and propaganda activities, and we decided that this was an appropriate response to the Montes case".
From Yemen, Awlaki stepped up his propaganda activities.
The woman also criticises anti-DPRK propaganda activities, in particular led by Christian human rights activists.
The Pentagon and the Central Intelligence Agency are barred by law from propaganda activities in the United States.
He participated in propaganda activities while evading xiaxiang, the forced dispersal of urban intellectuals to rural areas.
In carrying out its work, Mr. Reich's office "engaged in prohibited, covert propaganda activities," the United States comptroller general concluded after an investigation in 1987.
Exhausted and disappointed over the insignificant results of his propaganda activity, Lassalle went to Switzerland for a rest in July 1864.
Most PLAN insurgency operations took the form of small raids on political activists, armed propaganda activity, recruitment, raids on white settlements and disruption of essential services.
The increase was driven largely by Identity Evropa, the preppy white nationalist group who've eschewed swastikas and overt neo-Nazism in favor of a khaki-and-polo aesthetic and faux-intellectualism. Identity Evropa accounted for roughly half all propaganda activity on college campuses in the last year.
China acknowledges that it monitors content on the Internet, but claims to have an agenda much like that of any other country: policing for harmful material, pornography, treasonous propaganda, criminal activity, fraud.
In March, the Spanish police in Valencia arrested a Saudi citizen described as "the librarian" of Al Qaeda, in charge of its propaganda and recruitment activities.
