Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
cau thuc » cau truc, cuu thuc, can thuc
vat hanh » vat thanh, van hanh, va hanh
hanh tai » thanh tai, hang tai, han tai
nang xa » nang x, lang xa, nang ma
van cau » van dau, van hau, van chat
su cao » cu cao, vu cao, su co

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: su cao ky nang xa hoi. hieu van cau thuc vat hanh tai ((cua triet) OR (cua vat))~.
• Adding a wildcard symbol may retrieve word variants: su cao ky nang xa hoi. hieu van cau thuc vat hanh tai ((cua triet) or (cua vat))*.