Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cam thuc » am thuc, nam thuc, cam thu
thuc ban » thuoc ban, thuc dan, thu ban
ban hanh » ban hang
so sach » so sanh, bo sach, co sach
hieu va » lieu va, hieu qua
hanh di » hanh vi, hanh de, hang di
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de cua
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: so sach y nang x hoi. hieu va cam thuc ban hanh di cua triet~.
• Adding a wildcard symbol may retrieve word variants: so sach y nang x hoi. hieu va cam thuc ban hanh di cua triet*.