Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
vai cua » dai cua, hai cua, lai cua
truc va » thuc va, thuc vat, trung va
sach tu » sach thu, sach ty, sach uu
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
cach tu » cach thuc
tuc va » thuc va, tuc xa, duc va
va co » vo co

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

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