Judges 11:15

and they said to him, “This is what Jephthah says: ‘Israel did not take the land of Moab or the land of the Ammonites.

Deuteronomy 2:9

And the Lord said to me, ‘Do not harass [the descendants of] Moab, nor provoke them to war, for I will not give you any of their land as a possession, because I have given Ar to the sons (Moab and Ammon) of Lot as a possession.’

Deuteronomy 2:19

When you come opposite the territory of the sons of Ammon, do not harass them nor provoke them, for I will not give you any of the land of the sons of Ammon as a possession, because I have given it to the sons of Lot as a possession.’

Numbers 21:13-15

From there they journeyed on and camped on the other side of [the river] Arnon, which is in the wilderness that extends from the boundary of the Amorites; for [the river] Arnon is the boundary of Moab, between Moab and the Amorites.

Numbers 21:27-30

That is why those who use proverbs say,

“Come to Heshbon,
Let the city of Sihon be built and established.

2 Chronicles 20:10

Now behold, the sons of Ammon and Moab and Mount Seir, whom You would not allow Israel to invade when they came from the land of Egypt (for they turned away from them and did not destroy them),

Acts 24:12-13

Neither in the temple, nor in the synagogues, nor elsewhere in the city did they find me carrying on a discussion or disputing with anybody or causing a crowd to gather.

Treasury of Scripture Knowledge

Summary

And said unto him, Thus saith Jephthah, Israel took not away the land of Moab, nor the land of the children of Ammon:

Bible References

Israel took

Numbers 21:13
From there they journeyed on and camped on the other side of [the river] Arnon, which is in the wilderness that extends from the boundary of the Amorites; for [the river] Arnon is the boundary of Moab, between Moab and the Amorites.
Deuteronomy 2:9
And the Lord said to me, ‘Do not harass [the descendants of] Moab, nor provoke them to war, for I will not give you any of their land as a possession, because I have given Ar to the sons (Moab and Ammon) of Lot as a possession.’
2 Chronicles 20:10
Now behold, the sons of Ammon and Moab and Mount Seir, whom You would not allow Israel to invade when they came from the land of Egypt (for they turned away from them and did not destroy them),
Acts 24:12
Neither in the temple, nor in the synagogues, nor elsewhere in the city did they find me carrying on a discussion or disputing with anybody or causing a crowd to gather.