Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
chat xuc » chat huu, cam xuc, chao xu
hieu van » hieu va, thien van, lieu va
van chat » cao chat
sach ky » sac ky, sach y, sach ty
va dinh » van dinh, va tinh, vu dinh
va kinh » va tinh, qua kinh
nang xa » lang xa, nang ma, mang xa
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: thuat sach ky ((nang xa) or (nang x)) hoi. hieu van chat xuc ((va dinh) OR (va kinh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky ((nang xa) OR (nang x)) hoi. hieu van chat xuc ((va dinh) OR (va kinh)) dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ky ((nang xa) or (nang x)) hoi. hieu van chat xuc ((va dinh) OR (va kinh)) dai cua tre*".