More than a dozen officers searched for three and a half hours.

The families searched for three hours before calling the police.

The scuba divers searched for two hours, then gave up until the next morning.

Experts searched the plane for four hours but found nothing suspicious.

"They have been searching in there, down on their hands and knees, for 8 to 10 hours a day."

The arrest took place after his home was searched for three hours.

Besides, we have been searching for almost two hours.

I think we can search for three to four hours.

The police searched the house for two hours, and there betting slips were found.

They've been searching for three hours, but it looks doubtful.