I'm hearing people talk about long searches, difficult searches, with a shallower pool.
This was the first step in the search for a common language — a most difficult search.
But for extensive or difficult searches, the cost in money and time can mount.
As the recently rebooted particle accelerator begins producing data again, physicists face a difficult search.
Helen Humphrey's sixth novel, Coventry, traced the difficult search for one's bearings in a world at war.
But most often, it's the start of a very difficult search that can take weeks, and burns precious resources".
Several -- "Now Then Again" and Mr. Auburn's "Proof," for example -- equate the difficult search for scientific truth with the search for human connection and love.
Now that we have identified the virus that causes SARS, the difficult search for effective diagnostics, treatments and vaccines has begun.
An excruciatingly difficult search led her through three decades of legal action against police officers, military officers and doctors involved in the "missing grandchildren" cases.
In response to strong demands from Japan, the Navy conducted an expensive and technically difficult search for remains of the victims, recovering all but one of the bodies.
