Google's search engine is actually more accurate than the built in one.
I used the forum's search engine to look for mentions of my name in case there's a discussion I missed. Google is a little bit more difficult in that regard, where searching for my name (even sorting by date) does not retrieve
all recent results I require - in fact sometimes it sends me results from way back - thus it puts a hindrance upon me.
The 5-board limit is a little annoying in that regard.
I am able to manage because I only post in a few boards but as for others that may have done the same as I to check for replies, they may have been active in a variety of boards and threads.