'Exploring' in the Bible

At the end of 40 days, they all returned from exploring the land,

But the princes of the {Ammonites} said to Hanun, "{Do you think} because David sent comforters to you [that] David honors your father? Is it not for the purpose of exploring [so as] to overthrow and spy out the land that his servants have come to you?"

For I have taken all this to heart, exploring and examining it all, how the righteous (those in right standing with God) and the wise and their deeds are in the hands of God. No man knows whether it will be love or hatred; anything awaits him.

"Men will be assigned to travel continuously throughout the land, exploring for seven full months as they go about burying the bodies that remain from the battle on the surface of the ground, so that the land may be sterilized.

For God has unveiled them and revealed them to us through the [Holy] Spirit; for the Spirit searches all things [diligently], even [sounding and measuring] the [profound] depths of God [the divine counsels and things far beyond human understanding].