'Searching' in the Bible

and He who is searching the hearts hath known what is the mind of the Spirit, because according to God he doth intercede for saints.

Why? Because they were not searching for it by faith, but by works. They came up against the stone which was in the way;

And Isaiah says without fear, Those who were not searching for me made discovery of me; and I was seen by those whose hearts were turned away from me.

Lord, they have put your prophets to death, and made waste your altars, and now I am the last, and they are searching for me to take away my life.

What then? What Israel was searching for, this it did not obtain. But the elect obtained [it], and the rest were hardened,