|Searching for ...
||Returns pages containing ...
||The word malaria
||The word CDC (Enclose words like CDC in quotes)
|malaria, infectious, HIV
||Any of malaria, infectious,
or HIV, ranked in the same order
|infectious AND disease
||The words infectious and disease
|infectious OR disease
||Either the word infectious or disease
|infectious NOT disease
||The word infectious, but not the word disease
||Words beginning with infect
|"leading cause of death"
||The entire phrase leading cause of death