Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
cua triet » cua viet, su triet, va triet
qua nham » qua nhat, qua cham, sua nham
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
so sach » so sanh, bo sach, co sach
ky dang » ky nang
ky danh » ky anh
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ky dang) OR (ky danh)) xa hoi. hieu qua nham thuc van hanh di cua triet~.
• Adding a wildcard symbol may retrieve word variants: so sach ((ky dang) or (ky danh)) xa hoi. hieu qua nham thuc van hanh di cua triet*.