Trawled the shops for a bargain.
Trawled the archives for a manuscript.
To trawl a biography for amusing anecdotes.
An example of a trawl is a huge net for catching many fish at once.
An example of trawl is to catch many fish in a large net.
A trawl of local records produced some leads.
A contractor trawling for day laborers.
Trawling through a writer's papers.