Full Search is more powerful and complete than Quick Search. Users can search using almost every field of each record type. Help for Full Search is organized on several pages:

Search Fields
  Expressions-
    wildcard, regular, boolean
  Table of Search Fields
  Field Types

Display Options
  Customized results, CSV (comma separated value) format

Performance

By Record Type:

   Node
   User
   Network
   Group
   Admin Team
   Domain