Match: specifies how the keywords are matched
  All (default): will match all keywords
  Any: will match any keywords
  Phrase: will match the keywords as a phrase.

in index: specifies which section of KDnuggets to search.

• [Recent]: all current KDnuggets pages and most recent news (2007-2008)
• [Courses, Meetings ...]: Courses, Meetings, and Education pages
• [Jobs]: Jobs section
• [Software, Solutions, ...]: Software, Solutions, and Companies.
• [News 2008]: KDnuggets News for 2008.
• [News 2006-07]: KDnuggets News for 2006 and 2007.
• [News 2004-05]: KDnuggets News for 2004 and 2005.
• [News 2000-03]: KDnuggets News from 2000 to 2003.
• [News 1993-99]: KDnuggets News from 1993 to 1999.

Here is additional help for this search engine.