Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hanh doi » thanh doi, hanh noi, hang doi
va triet » va thiet, va trien, ve triet
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, va danh
ma hoi » mai hoi, ma hoa, me hoi
va nay » va ngay, va cay
xuc va » duc va, tuc va, luc va
doi va » hoi va, noi va, dai va

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 ((ma hoi) OR (xa hoi)). lieu va nay xuc va hanh doi va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang ((ma hoi) OR (xa hoi)). lieu va nay xuc va hanh doi va triet".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang ((ma hoi) OR (xa hoi)). lieu va nay xuc va hanh doi va triet*.