Exodus 23:29

I will not drive them out from before thee in one year: lest the land become desolate, and the beast of the field multiply against thee.

Deuteronomy 7:22

And Jehovah thy God will cast out those nations from before thee by little and little; thou shalt not be able to make an end of them at once, lest the beasts of the field increase upon thee.

Joshua 15:63

But as for the Jebusites, the inhabitants of Jerusalem, the children of Judah could not dispossess them; and the Jebusites dwell with the children of Judah at Jerusalem to this day.

Joshua 16:10

But they did not dispossess the Canaanites that dwelt at Gezer; and the Canaanites dwell in the midst of Ephraim to this day, and serve under tribute.

Joshua 17:12-13

But the children of Manasseh could not dispossess the inhabitants of those cities; and the Canaanites would dwell in that land.

Judges 3:1-4

Now these are the nations which the LORD left, to test Israel by them, that is, all in Israel who had no experience of any war in Canaan;

Treasury of Scripture Knowledge

Summary

I will not drive them out from before thee in one year; lest the land become desolate, and the beast of the field multiply against thee.

Bible References

In one year

Deuteronomy 7:22
And Jehovah thy God will cast out those nations from before thee by little and little; thou shalt not be able to make an end of them at once, lest the beasts of the field increase upon thee.
Joshua 15:63
But as for the Jebusites, the inhabitants of Jerusalem, the children of Judah could not dispossess them; and the Jebusites dwell with the children of Judah at Jerusalem to this day.
Joshua 16:10
But they did not dispossess the Canaanites that dwelt at Gezer; and the Canaanites dwell in the midst of Ephraim to this day, and serve under tribute.
Joshua 17:12
But the children of Manasseh could not dispossess the inhabitants of those cities; and the Canaanites would dwell in that land.
Judges 3:1
Now these are the nations which the LORD left, to test Israel by them, that is, all in Israel who had no experience of any war in Canaan;

General references

Deuteronomy 6:19
thrusting out all thine enemies from before thee, as Jehovah hath spoken.
Deuteronomy 11:23
then will Jehovah dispossess all these nations from before you, and ye shall take possession of nations greater and mightier than yourselves.
Deuteronomy 31:4
And Jehovah will do to them as he did to Sihon and to Og, the kings of the Amorites, and to their land; whom he destroyed.
Joshua 17:12
But the children of Manasseh could not dispossess the inhabitants of those cities; and the Canaanites would dwell in that land.
Joshua 21:43
And Jehovah gave to Israel all the land which he swore to give unto their fathers; and they took possession of it, and dwelt in it.