Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
dang xay » dang van, van xay
lang xa » lang ha, lang van
sach ty » sach y, sach tu, sach thu
qua cam » qua cham, qua cac, qua ca
xuc ban » duc ban, cuc ban, quoc ban
tang ma » mang may, tang van
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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 ty ((tang ma) or (((lang xa) OR (dang xay)))) hoi. hieu qua cam xuc ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty ((tang ma) OR (((lang xa) OR (dang xay)))) hoi. hieu qua cam xuc ban thanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty ((tang ma) or (((lang xa) OR (dang xay)))) hoi. hieu qua cam xuc ban thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ty ((tang ma) or (((lang xa) OR (dang xay)))) hoi. hieu qua cam xuc ban thanh vai cua tre*.