Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cua triet » cua viet, su triet, va triet
cham duc » pham duc, cham soc, pham duy
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
duc ban » duc tan, duc van, dua ban
vai cua » dai cua, hai cua, lai cua
x hoi » o hoi, 5 hoi

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

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