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Finds pages that include both "video" and "sound." Finds pages that include either "video" or "sound." Finds pages that include "video" but exclude "sound." Finds pages that include "video" or "movies," but exclude "sound."
Character
Meaning
Example
+
and
video + sound
|
or
video | sound
!
not
video ! sound
( )
grouping
(video | movies) ! sound