Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
dau cua » dai cua, day cua, cau cua
ve cac » va cac, vien cac
cua te » cua tu

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 ty xang xa hoi. hieu ve cac xuc ((va hanh) OR (va danh)) dau cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty xang xa hoi. hieu ve cac xuc ((va hanh) OR (va danh)) dau cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ty xang xa hoi. hieu ve cac xuc ((va hanh) OR (va danh)) dau cua te*.