Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
van thanh » van tuan
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
hieu va » lieu va, hieu qua
cau xuc » cam xuc, cau luc, cau truc
cua tre » cua te, cuu tre, cua triet
va cau » van cau, va cac, va dau
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: tu sach ty xang xa hoi. hieu va cau xuc ((van thanh) OR (ban thanh)) vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty xang xa hoi. hieu va cau xuc ((van thanh) OR (ban thanh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. hieu va cau xuc ((van thanh) OR (ban thanh)) vi cua tre*.