en_tn/1ki/08/48.md

with all their heart and with all their soul

The idiom "with all ... heart" means "completely" and "with all ... soul" means "with all ... being." These two phrases have similar meanings. See how you translated this in 1 Kings 2:4. AT: "with all their being" or "with all their energy" (See: rc://en/ta/man/translate/figs-idiom and rc://en/ta/man/translate/figs-doublet)

in the land

"while they are living in the land"

toward their land

"toward the land in which they belong." This refers to Israel.

for your name

The word "name" is a metonym for the person, and "for ... name" refers to worshiping the person. See how you translated similar words in 1 Kings 3:2. AT: "in which people will worship you" (See: rc://en/ta/man/translate/figs-metonymy)