Perhaps you should try some spelling variations:
thuoc sach » hoc sach, thuat sach, thuoc sinh
nuoc sach » nguoi sach, hoc sach, cuoc cach
cua triet » cua viet, su triet, va triet
cham duc » pham duc, cham soc, pham duy
ban hanh » ban hang
va cham » va chat, va tham
duc ban » duc tan, duc van, dua ban
vi cua » vai cua, di cua
5 hoi » o 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) OR (nuoc sach)) ky nang ((5 hoi) or (xa hoi)). lieu va cham duc ban hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sach) OR (nuoc sach)) ky nang ((5 hoi) OR (xa hoi)). lieu va cham duc ban hanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuoc sach) OR (nuoc sach)) ky nang ((5 hoi) or (xa hoi)). lieu va cham duc ban hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) OR (nuoc sach)) ky nang ((5 hoi) or (xa hoi)). lieu va cham duc ban hanh vi cua triet*.