Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
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
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang ma 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: vu sach ty nang ma hoi. hieu ((van cam) OR (van nam)) qua ban thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang ma hoi. hieu ((van cam) or (van nam)) qua ban thanh vai cua tre*.