Come up with me into my lot - It appears that the portions of Judah and Simeon had not been cleared of the Canaanites, or that these were the parts which were now particularly invaded.

Simeon

Genesis 29:33 And she conceived again, and bore a son; and said, Because the LORD has heard I was hated, he has therefore given me this son also...

Joshua 19:1 And the second lot came forth to Simeon, even for the tribe of the children of Simeon according to their families...

I likewise

Judges 1:17 And Judah went with Simeon his brother, and they slew the Canaanites that inhabited Zephath, and utterly destroyed it...

2 Samuel 10:11 And he said, If the Syrians be too strong for me, then you shall help me: but if the children of Ammon be too strong for you...

Tsippor
"Tsippor is the greatest city of Galilee, and built in a very strong place." "Kitron (Judg 1:29,30) is Tsippor: and why is it called Tsippor? Because it is seated upon a mountain as Tsippor, a bird." "Sixteen miles on all sides from Tsippor was a land flowing with milk and honey." This city is noted in Josephus for its warlike affairs; but most noted in the Talmudists for the university fixed there, and for the learning, which Rabbi Judah the Holy brought hither, as we have said before. He sat in …
John Lightfoot—From the Talmud and Hebraica

Judges
For the understanding of the early history and religion of Israel, the book of Judges, which covers the period from the death of Joshua to the beginning of the struggle with the Philistines, is of inestimable importance; and it is very fortunate that the elements contributed by the later editors are so easily separated from the ancient stories whose moral they seek to point. That moral is most elaborately stated in ii. 6-iii. 6, which is a sort of programme or preface to iii. 7-xvi. 31, which constitutes …
John Edgar McFadyen—Introduction to the Old Testament