Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
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 va » lieu va, hieu qua
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua

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 va cham ((xuc va) OR (luc va)) thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty xang xa hoi. hieu va cham ((xuc va) OR (luc va)) thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ty xang xa hoi. hieu va cham ((xuc va) OR (luc va)) thanh vi cua tre*.