Yup, it's possible indeed, but in a somewhat different manner than you think. You have to quit and relaunch the app to clear the search history. (If you'd used the search function in these forums you'd know that. It has been said before)

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iMac G4 OSX 10.3.9
RAM 256MB
LW 4.10.5 Basic
ADSL anything from 3 to 8Mbps/around 1024kbps

"Raise your can of Beer on high
And seal your fate forever
Our best years have passed us by
The Golden Age Of Leather"
-Blue Öyster Cult-