Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
nang mai » nang ma, nang tai, lang mai
chay qua » chay dua, cay qua, chay chua
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
qua ban » cua ban, qua quan
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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 nang mai hoi. ((hieu ve) or (lieu va)) chay qua ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang mai hoi. ((hieu ve) OR (lieu va)) chay qua ban thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang mai hoi. ((hieu ve) or (lieu va)) chay qua ban thanh vai cua tre*.