Perhaps you should try some spelling variations:
tinh hai » tinh thai, tinh chat, trinh han
te sach » toc sach
hai cua » thai cua, dai cua, hoi cua
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
lai hoi » dai hoi, lai hoa, lai roi
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao

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