Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
te sach » toc sach
va tham » van tham, va thanh, va thuat
hai cua » thai cua, dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
va cham » va chat
dai hoi » dai hoc, dai hai, dai moi
mai hoi » mai khoi, lai hoi, mai doi
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va

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 ((mai hoi) OR (dai hoi)). lieu ((va cham) or (va tham)) xuc va hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((mai hoi) OR (dai hoi)). lieu ((va cham) OR (va tham)) xuc va hanh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((mai hoi) OR (dai hoi)). lieu ((va cham) or (va tham)) xuc va hanh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((mai hoi) OR (dai hoi)). lieu ((va cham) or (va tham)) xuc va hanh hai cua tre*.