The phrase "necessary support from" is perfectly correct and usable in written English.
You can use this phrase when talking about a situation in which one individual (or a group) is providing support to another individual (or group) in a way that is essential to their success. For example, "The project is reliant on necessary support from the organizers to ensure that it is completed on time."
He was particularly concerned he wouldn't be able to gain the necessary support from the hospital's physicians and nurses.
"We have failed to gain the necessary support from major stakeholders, suppliers and their credit insurers to generate sufficient working capital to run our expanding business".
It shows that with the necessary support from the Kenya Wildlife Service, prosecution agencies and the judiciary, a just and powerful result can be delivered.
And Tristram Hunt, widely tipped as a future leader, decided against running after concluding he would also fail to win the necessary support from his colleagues.
At no point had his government received the necessary support from the opposition for its anti-terrorism policies, making it impossible for him to bring peace to the Basque country, he added.
Boles argued that most of the biggest strikes in recent years had achieved the necessary support from union members to have gone ahead under the proposed new rules, including last week's 24-hour strike by tube drivers.
Under a resolution approved this week by the Economic and Social Council, the Secretary General is to provide necessary support for the conference "from within available resources," a phrase that usually means it will be difficult to scrounge around for the money.
The burden, and now the blame, has been placed on the shoulders of GPs, who have been soldiering on without necessary support or investment from central government.
Unless the president engages organizations that need volunteers in his effort and provides them with the necessary support to recruit from their communities, his call is likely to go unheeded.
In multiple response questions the patients reported whether they received the necessary support and understanding from family and significant others (social support) and how they were coping (two questions exploring whether the patients felt diabetes was a mental/practical and/or an illness burden in daily life, and their emotional attitudes towards diabetes).
"We are asking for the government of Iraq to do more to put the fires out and if necessary request support from others," she said.
