Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
sach ky » sac ky, sach y, sach ty
nang xa » lang xa, nang ma, ang xa
mang xa » lang xa, mang may, dang xay
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
xa hanh » xa thanh, xa khanh, va hanh
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: thu sach ky ((((nang xa) or (mang xa))) or (nang x)) hoi. hieu van cam tuc xa hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((((nang xa) OR (mang xa))) OR (nang x)) hoi. hieu van cam tuc xa hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((((nang xa) or (mang xa))) or (nang x)) hoi. hieu van cam tuc xa hanh vai cua tre*.