Perhaps you should try some spelling variations:
hieu ket » hieu kem, thien ket, lien ket
hanh lai » hanh lam, hanh tai, thanh lap
so sach » so sanh, bo sach, co sach
cai hoi » dai hoi, cai hoa, lai hoi
cau tuc » cau truc, cau tu, cau luc
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y nang ((cai hoi) or (cau hoi)). hieu ket cau tuc va hanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang ((cai hoi) OR (cau hoi)). hieu ket cau tuc va hanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: so sach y nang ((cai hoi) or (cau hoi)). hieu ket cau tuc va hanh lai cua te*.