Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
lang xa » lang ha, dang xay, lang van
vai cua » dai cua, hai cua, lai cua
qua cam » qua cham, qua cac, qua ca
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach thu, xach tay
tang ma » mang may, tang van
sach tu » sach thu, cach tu, sach uu
xuc va » duc va, tuc va, luc va

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

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