Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
va cam » va cac, va cao, va cai
cua cu » cua chu, cua cau, cua su
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang ((x ho) or (o hoi)). hieu ((va cam) or (va cham)) duc va hanh vai cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((x ho) OR (o hoi)). hieu ((va cam) OR (va cham)) duc va hanh vai cua cu.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((x ho) or (o hoi)). hieu ((va cam) or (va cham)) duc va hanh vai cua cu*.