Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
thu sach » tu sach, thuat sach, thu hoach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cao qua » cao quan, cau qua, cac qua
qua ban » cua ban, qua quan
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) OR (thuoc sach)) y lang xa hoi. hieu va cao qua ban thanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuoc sach)) y lang xa hoi. hieu va cao qua ban thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (thuoc sach)) y lang xa hoi. hieu va cao qua ban thanh vai cua tre*.