Perhaps you should try some spelling variations:
huong doi » huong dan, trong doi, dung doi
xa huong » xa phuong, va huong, xa muong
so sach » bo sach, co sach, hoc sach
doi cuu » doi cua, doi cuoc
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
so sanh » do sanh
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cao, va cai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (so sanh)) ky lang xa hoi. hieu ((va cam) OR (va cac)) tuc xa huong doi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) ky lang xa hoi. hieu ((va cam) OR (va cac)) tuc xa huong doi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (so sanh)) ky lang xa hoi. hieu ((va cam) OR (va cac)) tuc xa huong doi cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (so sanh)) ky lang xa hoi. hieu ((va cam) OR (va cac)) tuc xa huong doi cuu tre*.