Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
luc ca » luc cao, luc cua, luc va
ca dan » cac dan, ca dao
dan ve » ban ve, dan va, dan viet
ve cua » le cua, de cua, te 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 luc ca dan ve cua tre~.
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang x hoi. hieu va cam luc ca dan ve cua tre*.