Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
nang lai » nang tai, mang lai, nang cai
va thanh » gia thanh, ban thanh, va tinh
lai hoi » dai hoi, lai hoa, lai roi
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
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: tu ((sach y) or (sac ky)) nang lai hoi. hieu ((van lam) OR (van nam)) xuc va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sac ky)) nang lai hoi. hieu ((van lam) OR (van nam)) xuc va thanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach y) or (sac ky)) nang lai hoi. hieu ((van lam) OR (van nam)) xuc va thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sac ky)) nang lai hoi. hieu ((van lam) OR (van nam)) xuc va thanh vai cua tre*.