wind storm : match any article containing wind AND storm

wind +storm : match any article containing wind AND storm

wind OR storm : match any article containing wind OR storm

wind -storm : match any article containing wind but NOT storm

"wind storm" : match any article containing the exact phrase "wind storm"

title:wind : match any article with a title containing wind

body:wind : match any article with body containing wind

wind* : match any words starting with wind e.g. window.

title:wind +body:storm : match article with wind in title and storm in body