Searching- is it broken?

Trying to find a post from a few weeks back, I don't appear to be able to get any results prior to today's offerings. In the manner of Sir Terry, is it just me? Or does someone at BR need to reindex the old stuff?
Location: ciderspace
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Posts
Giant Anthem X4 (2010) GT Avalanche 1.0 (2010)
Kingley Vale and QECP Trail Collective - QECP Trail Building
Fair enough, but the search facility is one of the best bits on the site
As a suggestion wouldn't it be better to have a full search but to keep the site manageable you could delete all posts over say 2 years old. Without a search function no-ones likely to trawl through pages of posts to find a specific thread so the old posts are irrelevant anyway.
As I say only a suggestion and I know sod all about websites/forums so may not even be possible anyway
Cheers
Jim
Giant FCR3
GT Avalanche 3.0
Canyon Nerve AM 6.0