For a phrase use words in order, e.g. sales meeting
For AND use &, e.g. red & green
For OR use /, e.g. red / green
For NOT use !, e.g. International ! Africa
To truncate use *, e.g. hous* (to find housing, house, houses, etc.)
Use >, <, = to search years, e.g. >1999
Use : between dates to search a range of dates, e.g. 1999 : 2003

Click here for further HELP information.