Before to ask a question, I always search in with the "Search Q&A" box to see if there is already a question and answer about the topic.When there is no question, I start a new question, and often the answer pop suddenly in the section "Questions that may already have your answer" !
Here is an exemple I just encountered today when I was going to ask a question about a feature in Europa Universalis IV.
So I started a new question and entered the same title :
The third link answered my question.
Why the search tool " Questions that may already have your answer " works better than the conventional search tool ?
If the search can't be upgraded, I think this option should be included in the conventional search.