Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
vai cua » dai cua, hai cua, lai cua
sach ty » sach y, sach thu, xach tay
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
hang xa » hoang xa, hang va, hang ca
sach tu » sach thu, cach tu, sach uu
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ty) OR (sach tu)) hang xa hoi. hieu va chat ((xuc va) or (tuc va)) thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach tu)) hang xa hoi. hieu va chat ((xuc va) OR (tuc va)) thanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ty) OR (sach tu)) hang xa hoi. hieu va chat ((xuc va) or (tuc va)) thanh vai cua tre*".