Search in SharePoint Server 2010 includes several major enhancements:

Wildcard searches out-of-the-box: Now you can enter a partial term, such as ‘sharep**’, which does not limit results to the term ‘sharepoint’ but instead returns all instances of words including (minimally) the letters ‘sharep’.

Query syntax: Use 'AND', 'OR', 'NOT' in search queries, such as ‘sharepoint AND workflow’.

FAST integration: Takes SharePoint search to the next level by incorporating Office file previews directly from the search results page.

Other search highlights are listed below.

Refinement Panel: Faceted Search

When a search query returns a large number of results, the refinement panel is displayed to the left of the search results screen, as shown ...

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