Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cham duc » pham duc, cham soc, pham duy
ban hanh » ban hang
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
duc ban » duc tan, duc van, dua ban
di cua » doi cua, de cua, do cua
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: thuoc sach ky nang x hoi. lieu va cham duc ban hanh ((di cua) OR (dai cua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang x hoi. lieu va cham duc ban hanh ((di cua) OR (dai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang x hoi. lieu va cham duc ban hanh ((di cua) OR (dai cua)) triet*.