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 hang » ngan hang
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
vi cua » vai cua, di cua
x hoi » o hoi, x ho, 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 (xa hoi)). lieu va cham duc ((ban hanh) OR (ban hang)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ky nang ((x hoi) OR (xa hoi)). lieu va cham duc ((ban hanh) OR (ban hang)) vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang ((x hoi) or (xa hoi)). lieu va cham duc ((ban hanh) OR (ban hang)) vi cua triet".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang ((x hoi) or (xa hoi)). lieu va cham duc ((ban hanh) OR (ban hang)) vi cua triet*.