thorough search

A long and thorough search of the field never produced an answer.

A thorough search of the area had turned up nothing.

He went first to the secretary's room, and began a thorough search.

He was going through with his promise of a thorough search.

Then they would return to make a thorough search, and find the real one.

They'd also made a thorough search of the house and found nothing.

Given a few hours they could do a thorough search, but I'm not giving them the time.

I went back into the other room and did a thorough search.

We may have to get a few men up here to make a more thorough search.

He had never in his life seen such a thorough search for whatever should not be there.