"took care that" is a perfectly correct and usable phrase in written English.
It can be used to show that someone did something to ensure that something else happened. For example, "I took care that I followed the recipe exactly, so that the cake would turn out successful."
Yet he took care that the numbers never looked merely slick or self-congratulatory.
Gore spent sixteen years in Congress, where he helped make the laws, and eight as Vice-President, where he took care that the laws were faithfully executed.
He made it worldwide, he concentrated everything, he took care that clubs like the International Racing Press Association did not just give passes to people they liked or not.
While Johnson's claim that he "took care that the Whig dogs should not have the best of it" has become notorious, Johnson's Walpole defends himself skillfully, and many of the debates seem evenhanded.
Since it was necessary to find a new tenant for Kay's room, we took care that it should be not a young but a middle-aged lady who moved in with us.
At the same time, as a rebuke to feminists who demanded an end to the Page 3 feature, she took care that her first P. 3 girl, as they are known, was named Rebekah and was identified as "Rebekah from Wapping" — Wapping being where The Sun was based.
Take care that you write a beautiful story".
"Our mission was to take care that we do not become another Gilad Shalit".
"If they did know these things, people would take care that they inhabited better houses".
Transfer to warm soup plates, taking care that the ingredients are well distributed.
failed in his constitutional duty to "take care that the laws be faithfully executied".
