Type a word like "computer" or type a phrase like "digital divide" in the search box and click "submit".
Note that all terms entered in search boxes are combined with AND.
"" to search for phrases (e.g. "African economy")
/ instead of OR (e.g. Ethiopia OR Kenya)
! instead of NOT (e.g. Ethiopia ! Kenya )
* to truncate (e.g. comm* finds commercial, commerce, community, etc.)
>, <, <=, >= for greater or less than (e.g. <=1999 finds dates earlier than 1999 inclusive)
: to search a range (e.g. 1992:2002, which means between 1992 and 2002)
Find more detailed Help on how to search.