Poke around (7)
(Other definitions for rummage that I've seen before include "Search untidily" , "Look, that's not neat" , "odds and ends" , "Search causing disorder - jumble" , "rifle" .)
'poke around' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for snoop that I've seen before include "-- Dogg, US rapper; spy" , "Investigate; pry" , "Stick one's nose in" , "Furtively look around" , "Informally, pry inquisitively" .)