Nonfiction novel

At the mid-90s , the Internet nor the cell-phones spread well , the brothers visited a village of the Thai minority race with the help of limited little information.

This is also webmaster's memoirs in which pieces of the the memory were gathered together and had novel sewing.
I am happy if you can read even for time killing.
The contents are based on a fact, but the character's names are fictitious names except some of parts.