American Standard Version
and he that searcheth the hearts knoweth what is the mind of the Spirit, because he maketh intercession for the saints according to the will of God.

Berean Study Bible
And He who searches our hearts knows the mind of the Spirit, because the Spirit intercedes for the saints according to the will of God.

Douay-Rheims Bible
And he that searcheth the hearts, knoweth what the Spirit desireth; because he asketh for the saints according to God.

English Revised Version
and he that searcheth the hearts knoweth what is the mind of the Spirit, because he maketh intercession for the saints according to the will of God.

King James Bible
And he that searcheth the hearts knoweth what is the mind of the Spirit, because he maketh intercession for the saints according to the will of God.

World English Bible
He who searches the hearts knows what is on the Spirit's mind, because he makes intercession for the saints according to God.

Young's Literal Translation
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.

Romans 8:27 Additional Translations ...