Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
cuc ban » cua ban, cac ban, cuu ban
ban anh » ban hanh, ban banh, ban danh
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
va cam » va cham, va cao, va cai
d cuu » _ cuu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((y nang) OR (v nang)) x ho. hieu ((va cam) or (va cac)) cuc ban anh d cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (v nang)) x ho. hieu ((va cam) OR (va cac)) cuc ban anh d cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (v nang)) x ho. hieu ((va cam) or (va cac)) cuc ban anh d cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (v nang)) x ho. hieu ((va cam) or (va cac)) cuc ban anh d cuu tre*.