beat the bushes, burrow, delve, delve into, dig, dig into, examine, fathom, forage, frisk, go into, go through, hunt, indagate, inquire into, inspect, investigate, look around, look into, look round, look through, nose around, observe, peer into, plumb, poke, poke around, poke into, probe, prospect, pry, pry into, quarry, question, research, review, root, scrutinize, search, search into, search through, sift, smell around, sound, study, survey, test, tour, travel, traverse, try