Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
va dan » ca dan, va dao, va dau
dan le » ban le, van le, dan ve
le cua » ly cua
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach y nang x hoi. hieu va cam duc va dan le cua tre~.
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang x hoi. hieu va cam duc va dan le cua tre*.