Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
van cau » van dau, van hau, van chat
cau tuc » cau truc, cau tu, cau luc
va hanh » van hanh, va thanh, ban hanh
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
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: tu sach ly nang x hoi. hieu van cau tuc va hanh lai cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang x hoi. hieu van cau tuc va hanh lai cua tre*.