Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cuc nang » chuc nang, cuu nang, cua nang
hanh lai » hanh lam, hanh tai, thanh lap
su sach » so sach, vu sach
vu nang » vuc nang, va nang, vu dang
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
sach v » sach va, sach y, sach 2
v nang » va nang, van nang, voi nang
loc va » hoc va, luc va
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: su sach v nang x hoi. hieu ((cuc nang) or (vu nang)) loc va hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v nang x hoi. hieu ((cuc nang) OR (vu nang)) loc va hanh lai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach v nang x hoi. hieu ((cuc nang) or (vu nang)) loc va hanh lai cua triet*.