Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
van cam » van nam, van lam, van cau
cam cuc » cam xuc, cham cuu, pham cuc
cuc ban » cua ban, cac ban, cuu ban
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
co hoi » co hoc, co loi
o hoi » o hoc, o hai, o hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ((o hoi) OR (co hoi)). hieu van cam cuc ban hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((o hoi) OR (co hoi)). hieu van cam cuc ban hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoi) OR (co hoi)). hieu van cam cuc ban hanh vai cua tre*.