careful, exhaustive, extensive, painstaking, systematic, thorough | major, massive, nationwide | desperate, frantic | constant | police | routine
Police conducted a routine search of all the houses in the area.

house-to-house | fingertip
A team of police officers did a fingertip search of the area.

body, strip
I was subjected to a body search by customs officials.

computer, Internet

begin, launch, mount, start
The police immediately launched a nationwide search for the killer.

carry out, conduct, do, make
The search for the missing men was conducted in poor weather conditions.

abandon, call off
The search was called off when it began to get dark.

operation
The police mounted an extensive search operation.

party, team | warrant | engine
This is one of the fastest Internet search engines.

in ~ of
We''re constantly in search of new talent.

~ for
the search for oil off the coast

thoroughly
The area has been thoroughly searched.

carefully, diligently, painstakingly | systematically | actively
actively searching for something to keep the conversation going

eagerly | desperately, frantically | in vain | aimlessly
For the rest of the morning he searched aimlessly through the town.

constantly | around/round
I searched around for a thick stick.

among
We searched among the rocks for crabs.

for
Police are still searching for the missing child.

in
He searched in his pocket and found a few coins.

through
searching through a drawer

search far and wide, search sth from top to bottom
We searched the house from top to bottom.

search high and low
I have searched high and low and cannot find them.