探

exploration

probe

to search for

to search about for

detective

fumbling

search

research

looking for something

exploration party

detection

detector

search

to search for

phone trace

sounding

searching for someone

private inquiry

mineral exploration

finding oneself

to track down

to find out

searcher

to probe

manned mission (e.g. space probe)

sounding each other out

to feel around for

to grope for

unmanned probing

job hunting

explorer

searching for gold

transmission of a sonar pulse

investigator

inquisitive mind

direction finding

to find (after searching everywhere)

to find out

(space) probe

house hunting

explorer

feel one's way (with one's feet)

searching for the culprit

sightseeing

German spy

unmanned probe (vessel, spacecraft, etc.)

local commissioner (Kamakura or Muromachi eras)

radar

looking for a room (to rent)

direction finder

to seek a path

attributing a sequence number (packet, message, etc.)

spot the difference (puzzle)

binary search

searching

lunar rover

Arctic expedition

oil exploration

research vessel

spring outing

probe

Society of Exploration Geophysicists of Japan

binary search tree

seabed probe

court-initiated fact discovery

job hunting

to hunt for a job

inquisitive questioning

(active) sonar

expedition vessel

sounding balloon

Antarctic expedition

electronic locator

radio detection

metal detection

to give up searching (for someone or something)

to find fault (with)

in search of

hash table search

searching for and photography at locations used as settings for anime, manga, etc.

Monte Carlo tree search

search tree

tree search

automatic direction finder

chained list search

radar

to search every square inch

metal detector

probing

Mars lander

scanning surface

space exploration

planetary exploration

flaw detection

hidden picture puzzle

strict search

space probe

space probe

sonar

radar

linear search

depth-first search

treasure hunting

searchlight

private detective

Fibonacci search

search key

search cycle

detective bureau

breadth-first search

bird-watching

smoke alarm

detective agency

space probe

rooting reflex

detective story

great detective

going out in search of plum blossoms

trial by hot water

detective team

detective work

exploratory excavation

fishfinder

seismic mineral exploration

Russian spy (during the Russo-Japanese War)

fishfinder

trial by hot water

to probe someone's real intentions

chained list search

ultrasonic test instrument

linear search

drug-sniffing dog

to be suspected without cause

penetrant inspection

searchlight

blindly groping

searching blindly

ultrasonic test equipment

finding fault (with)

inept detective

cybersleuth

armchair detective

using one's chopsticks to find a food one likes by rummaging in one's dish, pot, etc. (a breach of etiquette)

(animal's) foraging