Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thai cua » tai cuc, tri cua, dai cua
than cua » nhan cua, ban cua, gian cua
van cac » van hac, van cau, van bac
va danh » va dinh, va dan, va hanh
y nang » ky nang, ly nang, v nang
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 y nang x hoi. thien ((van cac) or (van ban)) nuoc va danh ((thai cua) or (than cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y nang x hoi. thien ((van cac) OR (van ban)) nuoc va danh ((thai cua) OR (than cua)) te.
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang x hoi. thien ((van cac) or (van ban)) nuoc va danh ((thai cua) or (than cua)) te*.