The following switches can be used after the search terms to narrow the search:
/comment or /c = comments /task or /t = tasks /image or /i = images /document or /d = documents /ps = PageSeeder documents /folder or /f = folders /pdf = PDF Documents /word or /w = Word documents /excel or /x = Excel documents /docx = Word 2007 documents /xlsx = Excel 2007 documents /office = Office documents /audio = audio documents /video = video documents
Also, when there are possibly more than 10 matches, the omnibox will display:
"Only top 10 results shown"
Created on , last edited on