Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
hieu van » thien van, lieu va, hieu ve
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
lam xuc » cam xuc, lam duoc
cua tre » cua te, cuu tre, cua triet
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, luc va
sac ky » cac ky, sai ky

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

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