The default search page takes a noquickjump option, which allows you to search for CamelCase strings, instead of redirecting to a wiki page. For example:
Instead of adding this option, I would be in favor of never redirecting at all. The wiki page (being an exact name match) should be at the top of your results, anyway.
Our current behavior seems to be to perform the desired search when the query originates from /advsearch, but to redirect to a wiki when the query originates from the search bar.