Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang cap » nang cao, nang cham, nang phap
hanh vai » hanh va, hanh tai, hanh van
hieu van » hieu va, thien van, lieu va
cap hoi » cap phoi, cau hoi, cap voi
so sach » so sanh, bo sach, co sach
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
su sach » vu sach

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) or (so sach)) ky nang cap hoi. hieu van cam duc va ((hanh vai) OR (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky nang cap hoi. hieu van cam duc va ((hanh vai) OR (hanh vi)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ky nang cap hoi. hieu van cam duc va ((hanh vai) OR (hanh vi)) cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky nang cap hoi. hieu van cam duc va ((hanh vai) OR (hanh vi)) cua triet*.