'strictly needs to' is correct and can be used in written English.
You can use 'strictly needs to' when you want to emphasize the necessity of an action. For example: The team strictly needs to finish the project before the end of the week.
As a song listened to sober and alone, it still goes on twice as long as it strictly needs to and feels somewhat haphazardly structured, but as a party track it's an unstoppable force, with those fire verses coming into their own.
Spend an hour on Twitter after an Amir Khan fight and you will discover why the Bolton-born boxer doesn't spend more time in his home country than he strictly needs to.
As information developments move towards the so called "open data and big data," distinctions need to be made between information that strictly needs to be management beyond manipulation and that which does not need rigorous controls.
In the following, we try to gain an integrative view of causal factors of the crowd disaster, which strictly needs to be distinguished from a legal analysis or a determination of responsibilities.
These vegetables had a bureaucrat's talent for waiting, and the carrots and turnips wouldn't strictly need to be picked until the ground started to harden.
Encountered as a novel, however, the plot unravels with great pace and is much better than it strictly needed to be.
While he does not strictly need to get the Bundesrat's approval for the main elements of the pension plans, the chancellor does need its consent for his proposed tax incentives to encourage contributions to supplementary private pensions.
This week Mr. Botti began what has become an annual residency at the Blue Note, in the company of musicians who are better than they strictly need to be: the guitarist Mark Whitfield, the pianist Peter Martin, the bassist Robert Hurst and the drummer Billy Kilson.
A financial district worker who would identify himself only as William S. said he did not strictly need to go into Manhattan to do his job, but felt that he should make an appearance after one of his staff members showed up every day at 6 a.m. and another paid $40 a day to get to a distant office in Queens.
The introduced air flow is only the quantity strictly needed to produce combustion.
It was found that potentials Vb and Va are strictly needed to avoid a collapse of the nanotube.
