The phrase "demand the assistance" is correct and usable in written English.
You can use it to describe a situation where you are asking someone for help. For example, "I demand the assistance of an expert to evaluate my financial situation."
He boasts that even with the higher demand for the assistance program caused by the recession, his department has markedly reduced fraud.
(11) Operating assistance to a railroad to continue existing service or to increase service to meet demand, where the assistance will not significantly alter the traffic density characteristics of existing rail service.
Titled "Workers Newsreel Unemployment Special," the film shows protesters gathering in Union Square to demand government assistance for the jobless.
The students carry out the activities supervised by tutors contracted by the university, and they also participate in the activities of attending the patient during the course, gaining knowledge of the real demands of the assistance provided, and experiencing the everyday life of the health professionals in the community in which they attend the users of the health service.
The Democrats are right to demand assistance for American workers, and the Bush administration should work with Congress to expand the safety net for workers displaced by globalization.
The departing president, Demetris Christofias, a Communist who has called himself the "red sheep of Europe," has been criticized here for agreeing to the bailout of Greece without demanding special assistance for the Cyprus banks.
She rushed down to the United Nations building to demand assistance.
For example, there would have been little advantage in the UK legislating to demand assistance for disabled people when travelling by air, if this meant people being able to board a plane in Manchester, yet unable to disembark in Malaga.
However, as al-Qaeda and the Taliban became judged a single entity, the United States demanded Pakistani assistance as it prepared to move militarily against both organizations.
