He commanded Judah to seek the LORD, the God of their ancestors, and to obey his laws and commands.
NIV
And commanded Judah to seek the Lord, the God of their fathers [to inquire of and for Him and crave Him as a vital necessity], and to obey the law and the commandment.
AMP
And commanded Judah to seek the LORD God of their fathers, and to do the law and the commandment.
KJV