Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
thu sach » tu sach, thuat sach, thuoc sach
nang van » dang van, tang van, lang van
lai cua » dai cua, hai cua, lai chau
xuc van » duc van, luc van, xuc ban
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
vu sach » vu bach, vu khach
van hoc » van hoa
su sach » so sach
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: ((((vu sach) or (su sach))) or (thu sach)) ky nang van hoc. hieu van cau xuc van hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((vu sach) OR (su sach))) OR (thu sach)) ky nang van hoc. hieu van cau xuc van hanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((((vu sach) or (su sach))) or (thu sach)) ky nang van hoc. hieu van cau xuc van hanh lai cua tre*.