Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, te sach, tu cach
ve cham » va cham, ve chat, vu cham
vai cua » dai cua, hai cua, lai cua
su sach » so sach, vu sach
va hanh » van hanh, va thanh, va danh
va cam » va cham, va cac, va cao
cua te » cua tu
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: ((tu sach) or (su sach)) ky nang x hoi. hieu ((va cam) or (ve cham)) duc va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang x hoi. hieu ((va cam) OR (ve cham)) duc va hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang x hoi. hieu ((va cam) or (ve cham)) duc va hanh vai cua te*.