Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hieu van » hieu va, thien van, lieu va
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky mang » ky nang, ke mang, ky dang
may hoa » may khoa, ma hoa, day hoa
van lam » van nam
qua 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: su sach ky mang may hoa. hieu van lam ((cua ban) or (qua ban)) thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky mang may hoa. hieu van lam ((cua ban) OR (qua ban)) thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky mang may hoa. hieu van lam ((cua ban) or (qua ban)) thanh vai cua tre*.