One of the most challenging and exhaustive searches in history began.

历史上最具挑战性和最彻底的搜索开始了。

Despite five being a small number, the answer is virtually impossible to discover through an exhaustive search like this.

虽然五是个非常少的数量，要是我们一个一个可能性的来看，找出这道题的答案会非常难。

Despite an exhaustive search, to this day, no trace of Cindy Song has ever been found.

尽管进行了详尽的搜索，直到今天，仍未找到 Cindy Song 的踪迹。

And those six documents being found of following an exhaustive search of the president's residence, the entire residence, we're told, they were given access to.

这六份文件是在对总统的整个住所进行彻底搜查后被发现的，该搜查也是在获准后进行的。

You might expect that the students who had undertaken the most exhaustive search would be the most satisfied with their final decision. But it turns out that's not true.

你可能会认为，学生在进行了最详尽的搜索后找到了他们最满意答案。但是事实并非如此。