The phrase "sophisticated strategy" is a correct and usable phrase in written English. It is typically used to describe a plan or course of action that is complex and comprehensive. For example: "The company developed a sophisticated strategy for marketing their new product to a wider audience."
That is a sophisticated strategy of deterrence.
Later he suggested a more sophisticated strategy.
Analysts say the new government needs a sophisticated strategy.
"They have a sophisticated strategy of going after local people," a senior Western diplomat said.
Other people might have a more sophisticated strategy, but this one worked for us.
Instead, it adopted a more sophisticated strategy: a diplomatic play, with a fragile potential to defuse the confrontation.
New coaches this season have brought a more sophisticated strategy to the game, including a no-huddle offense.
It's true that after so many years of driving, I have developed a sophisticated strategy for surviving chauffeur duty.
"It's actually a pretty sophisticated strategy," observed Darrell West, a professor at Brown University who studies political advertising.
Lack of a sophisticated strategy to convert force to power will nullify any gains from increased force-capacity as a result of increases in military spending.
The new work probes deeper into a sophisticated strategy that doesn't seek to stifle all discontent, but instead focuses on discouraging on-the-ground action against the government.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK