"broaden the question" is a correct and usable phrase in written English.
It can be used when you want to ask a more general or comprehensive question, for example: "Can you tell me about the history of China? Instead of just focusing on the period from 1949-1976, can you broaden the question to include the entire 20th century?".
BENN: May I broaden the question out, Mr President, to the relations between Iraq and the UN, and the prospects for peace more broadly, and I wonder whether with all its weaknesses and all the difficulties, whether you see a way in which the UN can reach that objective for the benefit of humanity?
"Let's broaden the question.
If you broaden the question to Afghanistan, I think the President (Obama) had a tough choice.
Putting aside my efforts at amateur psychology, nonetheless it is fair to broaden the question beyond ideology, militarism and/or grievance as cause.
We should set national priorities that make sense to everyone, and broaden the question: who else in America should be winners in our trade policy?
So while of course each instance of suicide is different, and while the reasons that people choose to take their own life are complex and individual, as we ask "why" about Robin Williams, we should also broaden the question.
Mr. GILLMOR: Kevin, I'd like to take this up, level and sort of broaden the questions here to include one of the things that you're working a lot on in your new role at British Telecom which is the – and I'm going to let you pronounce it.
Broadening the question to 'what processes' are causing the LBP, for example, through neuroscience pain based [ 133], contextual cognitive behavioural therapy [ 111, 134], mindfulness based stress-reduction [ 131], or biomechanically but less pathoanatomically focused oriented education may provide additional benefit.
Referring to previous efforts by the government to address the gender balance in Britain's boardrooms, Carolyn Fairbairn, the first woman to run the employers' body, said: "It's important that we broaden the exam question and talk more widely about women as leaders.
However, even though the international discourse focused greatly on the energy dimension, it was the responsibility of national public actors to broaden the treatment of the question to consider environmental, social, agricultural, and, more globally, rural development aspects.
You can also broaden the scope of the question beyond career goals, and imagine where a home, family, friends and hobbies fit in.
