There is a new way of searching in development here Wishlist Search Page, please have a go and improve it if you can!
Three ways to search
A. To search for a bug/feature request you can use the search bar in the upper right.
B. Use the Keywords way down on the right column over there →.
C. You can also search the main tracker using the form below.
D. Try out (and improve) the new Unified Index Search based form here
Filters only amongst open & pending issues.