Perhaps you should try some spelling variations:
phap cuc » phap chuc, pham cuc, phap cac
ban hanh » ban hang
hanh dai » hanh tai, hanh dao, vanh dai
hieu va » lieu va, hieu qua
va phap » va phat, ban phap
cuc ban » cua ban, cac ban, cuu ban
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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((o hoi) OR (co hoi)). hieu va phap cuc ban hanh dai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoi) OR (co hoi)). hieu va phap cuc ban hanh dai cua tre*.