Perhaps you should try some spelling variations:
ban hanh » ban hang
co sach » bo sach, cuon sach, hoc sach
xuc ban » duc ban, cuc ban, quoc ban
hanh di » hanh vi, hanh de, hang di
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cam » va cham, va cao, va cai
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach y nang x ho. hieu ((va cam) OR (va cac)) xuc ban hanh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sach y nang x ho. hieu ((va cam) OR (va cac)) xuc ban hanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: co sach y nang x ho. hieu ((va cam) OR (va cac)) xuc ban hanh di cua tre*.