Josh,
See this comment:
http://bbs.spamgourmet.com/viewtopic.php?t=130
(comment by David Phillips)
We need to add a little explanation next to the search button in advanced mode. I suggest this text:
Type a string to search for in your disposables. (Ex: enter "sad" to find your disposables "saddlerope" and "dontbesad".) Leave the string blank to list all your disposables.