From Longman Dictionary of Contemporary Englishsearch something ↔ out phrasal verbLOOK FORto find something by searching We were too tired to search out extra blankets. → search→ See Verb table
Examples from the Corpus
search out• It is worth searching them out.• He told Walter not to worry, there are search planes out and one of them has seen something on an island.• How other institutions will search you out, because publishing an exceptional paper from an unexpected source is more dramatic.• Nicholson dismissed the warders, returning to the window for a moment as if searching for something out in the windswept yard.• They searched for peanuts out in the yard.• By the time he got back there'd be search parties out looking for him.• A bibliographical search was carried out previous to the award being granted in the period Jan/March 1989.• That will permit the search to reach out to 100 light years, covering about 300 stars.