Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tri » thanh tri, hanh tai, hanh trinh
ky lang » ky nang, ky dang, ky tang
bac hoc » bai hoc, bac ho
va hanh » van hanh, va thanh, ban hanh
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ha hoi » hoa hoi, xa hoi, va hoi
va bac » van bac, va cac, va bai

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 ((ha hoi) or (ha noi)). lieu va bac hoc va hanh tri cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang ((ha hoi) OR (ha noi)). lieu va bac hoc va hanh tri cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky lang ((ha hoi) or (ha noi)). lieu va bac hoc va hanh tri cua triet*.