Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
cua viet » ca viet, hoa viet, cua vat
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
cao duc » dao duc, cao suc, giao duc
cua tre » cua te, cuu tre, cua triet
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 ty xang xa hoi. lieu va cao duc va thanh vai ((cua tre) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty xang xa hoi. lieu va cao duc va thanh vai ((cua tre) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: thu sach ty xang xa hoi. lieu va cao duc va thanh vai ((cua tre) or (cua viet))*.