brief

catch, hear, overhear
We caught snatches of conversation from the room next door.

hum, sing
He was humming a snatch of a song from ‘Cabaret’.

in ~es
She learnt to sleep in brief snatches.

a snatch of conversation/music/song

almost | quickly | away, up
She leapt to her feet, snatching up her bag.

try to

at
He snatched at her arm as she walked past.

from
She almost snatched the letter from my hand.