Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
hanh lai » hanh lam, hanh tai, thanh lap
cao hoi » cau hoi, cao hoc, tao hoi
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
co hoi » co hoc, co loi

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang ((cao hoi) OR (co hoi)). hieu van cam xuc ban hanh lai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((cao hoi) OR (co hoi)). hieu van cam xuc ban hanh lai cua tre*.