Judges 11:15

This was his answer: It is not true that Israel took away the land of Moab or the land of Ammon.

Deuteronomy 2:9

Then Jehovah said to me: 'Do not trouble the people of Moab, the descendants of Lot. And do not start a war with them. I gave them the city of Ar, and I am not going to give you any of their land.'

Deuteronomy 2:19

When you come near the Ammonites, do not bother them or start a fight with them. I am not giving you any of the land that I already gave to the descendants of Lot as their property.

Numbers 21:13-15

They moved again and camped on the north side of the Arnon River, in the desert that extends into Amorite territory. The Arnon was the border between the Moabites and the Amorites.

Numbers 21:27-30

That is why the Amorites had written this poem about Heshbon: Come and rebuild Heshbon, King Sihon's capital city!

2 Chronicles 20:10

You can see that the armies of Ammon, Moab, and Edom are attacking us! Those are the nations you would not let our ancestors invade on their way from Egypt. Consequently these nations were not destroyed.

Acts 24:12-13

They did not find me in the Temple, in the synagogues nor in the city disputing with any man. Neither did I cause a riot with the people.

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
They moved again and camped on the north side of the Arnon River, in the desert that extends into Amorite territory. The Arnon was the border between the Moabites and the Amorites.
Deuteronomy 2:9
Then Jehovah said to me: 'Do not trouble the people of Moab, the descendants of Lot. And do not start a war with them. I gave them the city of Ar, and I am not going to give you any of their land.'
2 Chronicles 20:10
You can see that the armies of Ammon, Moab, and Edom are attacking us! Those are the nations you would not let our ancestors invade on their way from Egypt. Consequently these nations were not destroyed.
Acts 24:12
They did not find me in the Temple, in the synagogues nor in the city disputing with any man. Neither did I cause a riot with the people.