Exodus 23:29
I will not drive them out from before you in one year, lest the land become desolate, and the animals of the field multiply against you.
Deuteronomy 7:22
Yahweh your God will cast out those nations before you by little and little: you may not consume them at once, lest the animals of the field increase on you.
Joshua 15:63
As for the Jebusites, the inhabitants of Jerusalem, the children of Judah couldn't drive them out; but the Jebusites live with the children of Judah at Jerusalem to this day.
Joshua 16:10
They didn't drive out the Canaanites who lived in Gezer; but the Canaanites dwell in the midst of Ephraim to this day, and have become servants to do forced labor.
Joshua 17:12-13
Yet the children of Manasseh couldn't drive out the inhabitants of those cities; but the Canaanites would dwell in that land.
Judges 3:1-4
Now these are the nations which Yahweh left, to prove Israel by them, even as many [of Israel] as had not known all the wars of Canaan;