Perhaps you should try some spelling variations:
te sach » toc sach
va cham » va tham
va chat » van chat, va phat, cao chat
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
anh dai » vanh dai, anh bai, anh dat
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
co hai » co dai, co hoi, so hai
o hai » so hai, o lai, _ hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ((o hai) or (co hai)). lieu ((va cham) OR (va chat)) xuc ban anh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((o hai) OR (co hai)). lieu ((va cham) OR (va chat)) xuc ban anh dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((o hai) or (co hai)). lieu ((va cham) OR (va chat)) xuc ban anh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((o hai) or (co hai)). lieu ((va cham) OR (va chat)) xuc ban anh dai cua tre*.