SQL Search (Trip Search), Faceted Search & Fuzzy Search
SQL Search (Trip Search)
SQL Search (a new iteration of Trip Search) is an alternative search module that offers advanced search operands (phrases in quotes, excluded terms); searching by taxonomy term, user and date; filtering within results; and an advanced search page.
http://drupal.org/project/trip_search
Faceted Search
The Faceted Search module provides a search API and a search interface for allowing users to navigate content in such a way that they can rapidly get acquainted with the scope and nature of the content, and never feel lost in the data.
http://drupal.org/project/faceted_search
Fuzzy Search
The Fuzzy Search module provides drupal sites with a fuzzy search engine to allow for broader keyword matches.
http://drupal.org/project/fuzzysearch
Darly