Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va dinh » van dinh, va kinh, va tinh
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
va cham » va chat, va tham
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua
va cao » va cac, va co, va dao
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: thu sach y nang x hoi. hieu ((va cham) or (va cao)) tuc ((va hanh) or (va dinh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu ((va cham) OR (va cao)) tuc ((va hanh) OR (va dinh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu ((va cham) or (va cao)) tuc ((va hanh) or (va dinh)) vi cua tre*.