'Searched' in the Bible

On that day I swore to them that I would bring them out of the land of Egypt into a land I had searched out for them, a land flowing with milk and honey, the most beautiful of all lands.

I searched for a man among them who would repair the wall and stand in the gap before Me on behalf of the land so that I might not destroy it, but I found no one.

My sheep wandered through all the mountains, and upon every high hill, and my sheep have been scattered upon all the face of the earth, and there was none that searched, or that sought for them.

As I live, saith the Lord Jehovah, verily because my sheep have been a prey, and my sheep have been meat to every beast of the field, because there was no shepherd, and my shepherds searched not for my flock, but the shepherds fed themselves, and fed not my flock,