1)
Which land is "asher Darach bah" referring to?
1.
Rashi and Targum Yonasan: It is referring to Chevron, where Calev went to Daven. 1
1
Refer to Bamidbar, 13:22:1:1*.
2)
Why did Moshe not mention Yehoshua together with Calev?
1.
R. Bachye: Because Hashem always mentions Calev first. 1
2.
Oznayim la'Torah: Because initially, he did not object together with him. 2
1
Refer to Bamidbar 26:65:2:1.
2
See Oznayim la'Torah, who elaborates and explains why the Torah then mentions Yehoshua independently.
