Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
van lam » van nam
dua ban » dia ban, cua ban, mua ban
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 ma hoa. hieu van lam ((dua ban) or (qua ban)) thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoa. hieu van lam ((dua ban) OR (qua ban)) thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ma hoa. hieu van lam ((dua ban) or (qua ban)) thanh vai cua tre*.