31.   Surprising, Hayes said, is the extensive search for the Kennedy plane.

32.   The extensive search for the instrument turned up nothing.

33.   The first few days after Karen disappeared, police and scores of volunteers conducted an extensive search of a nine-square-mile area around her home.

34.   The most extensive search ever conducted on Mount Marcy, in some of the most rugged territory in the Northeast, was about to begin.

35.   The order followed extensive searches for the two missing children in Attleboro and Baxter State Park in Maine.

36.   The Reifs said they conducted an extensive search after World War II for relatives who survived the Holocaust.

37.   The two Huichols, who were arrested by Mexican officials after an extensive search for True, had been jailed for more than two years.

38.   We can learn to live with more expensive detectors and more extensive searches.

39.   Police said extensive searches are taking place at a number of addresses.

40.   A U.S. Navy sailor was presumed dead after an extensive search and rescue operation following a helicopter crash Tuesday off eastern Malaysia, authorities said Thursday.