(figuratively) to look for the right fit for one / (in particular) to look for one's special someone, to look for the right person; to look for a suitable match

homing device

homing missile

to fumble for words, to grasp for words, to be at a loss for words

(Belgium, informal) to give (someone) a hard time, to make (someone's) life a misery, to torment [+ à (someone)]

(idiomatic) to have it coming

seek and ye shall find

to fetch, to go and get / to pick up (someone) / Used other than figuratively or idiomatically: see aller, chercher.

(rare) Alternative spelling of qui cherche trouve

to split hairs