Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
quoc ban » quoc bao, quoc lan, quoc quan
thai cua » than cua, tai cuc, tri cua
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van cam » van nam, van lam, van cau
duc van » duc va, duc tan, duc manh
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang xa hoi. hieu van cam ((duc van) or (quoc ban)) hanh thai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. hieu van cam ((duc van) OR (quoc ban)) hanh thai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. hieu van cam ((duc van) or (quoc ban)) hanh thai cua triet*.