Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, va danh
lam xuc » cam xuc, lam duoc
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
sang ma » tang ma, nang ma, sang tao
nang xa » lang xa, nang ma, mang xa
va lam » van lam, va lap
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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 (nang x))) or (sang ma)) hoi. hieu va lam xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((((nang xa) OR (nang x))) OR (sang ma)) hoi. hieu va lam xuc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((((nang xa) or (nang x))) or (sang ma)) hoi. hieu va lam xuc va hanh vi cua tre*.