Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
nang mai » nang ma, nang tai, lang mai
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
van cam » van lam, van cau, van dam
qua ban » cua ban, qua quan
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (te sach)) ky nang mai hoi. hieu ((van cam) or (van nam)) qua ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (te sach)) ky nang mai hoi. hieu ((van cam) OR (van nam)) qua ban thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (te sach)) ky nang mai hoi. hieu ((van cam) or (van nam)) qua ban thanh vai cua tre*.