I've noticed that when a search query contains terms that are usually typeset in $\LaTeX$, the formatting in the Search Results page becomes messed up.
I'm assuming this issue occurs because the matching terms in the search results are encapsulated in a <span class="search-highlight">
which MathJx then has to try and 'format', since the span
's html would then be part of the text enclosed between the $
.
Here's an example when searching for x y:
Other examples:
etc...