The phrase "a more comprehensive solution" is correct and usable in written English.
It can be used when discussing an approach or answer that is more thorough or complete than others.
Example: "In order to address the issue effectively, we need to develop a more comprehensive solution that considers all aspects of the problem."
Alternatives: "a more thorough solution" or "a more complete solution".
But the problem demands a more comprehensive solution than Cameron suggests, particularly with regard to women.
And yet, a more comprehensive solution to end the illegal practice is elusive.
"The Federal Reserve and the Treasury are realizing that we need a more comprehensive solution," Mr. Schumer said.
A growing chorus of economists and commentators — including this page — are urging the Obama administration to adopt a more comprehensive solution: a government-run restructuring, or nationalization.
"Moving forward," Mr. Thompson said, "it will be necessary for the administration, Congress and the private sector to work together to formulate a more comprehensive solution".
In Italy, Mr. Monti will have a weighty double mandate: to help restore growth and prod Europe to find a more comprehensive solution to the debt crisis.
It all comes together in a much more comprehensive solution for app monetization for publishers".
It may be worthwhile to combine various approaches together in order to provide a much more comprehensive solution.
We need a better, more comprehensive solution -- one that benefits students, particularly low-income and working class students, in the short and long term.
Rather than lowering the rates that Pandora pays, some congressmen proposed that getting terrestrial radio stations to pay up could be part of a fairer, more comprehensive solution.
"It doesn't surprise me that the supervisors in San Francisco would continue to try to score political points instead of really trying to find a much more comprehensive solution," CalBev spokesman Roger Salazar told The San Francisco Chronicle.
