Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
hieu va » lieu va, hieu qua
cau luc » cau truc, cau phuc
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
va cau » van cau, va cac, va dau
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
dan le » ban le, van le, dan ve
le cuu » le cua, le huu, le cau
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 cau luc va dan le cuu tre~.
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang x hoi. hieu va cau luc va dan le cuu tre*.