The phrase "a more constructive and" is correct and usable in written English.
It can be used when discussing approaches, feedback, or methods that aim to improve a situation or outcome.
Example: "We need to adopt a more constructive and collaborative approach to problem-solving."
Alternatives: "a more positive and" or "a more helpful and".
According to the Wellcome Trust, engagement with fossil fuel companies is a "more constructive and effective" way to combat climate change.
I can, however, suggest some works of art that may help with a more constructive and cathartic process of political grieving.
If Europeans want to be listened to on the big issues, argues Charles Grant of the Centre for European Reform in London, they need a more constructive and coherent approach.
Ultimately, when it comes to capacity-building in Africa, the United States can make a more constructive and sustainable contribution by putting accountability and the rule of law front and center.
"We agreed today, both of us, Venezuela and the United States, that we would like to see our countries find a new way forward, establish a more constructive and positive relationship," Mr. Kerry said after meeting with Mr. Jaua on the sideline of a session of the General Assembly of the Organization of American States.
But they are not old standbys themselves, and they offer a glimpse of what a more constructive and effective right-wing populism might be able to offer to the party — and a glimpse, too, of what might have been had Republicans thought harder about policy in 2012 instead of just expecting the economy to deliver them the White House.
What I'd like to see happen in the next decade is a more constructive give-and-take, the start of a true conversation.
It would be interesting to explore mechanisms to reconstruct masculinity and parenthood in a more constructive way, and to foster men's/boys' responsibility towards their offspring.
There are a lot of Palestinians who "recognize that the constant incitement and negative rhetoric with respect to Israel" has not delivered a single "benefit to their people and had they taken a more constructive approach and sought the moral high ground" they would be much better off today — but they won't say it aloud.
It is not too late for Moscow to play a more constructive role, and to bring Serbia along with it.
Together they have raised expectations in a world eager to see Iran play a more constructive role, and the charm offensive is in full swing.
