Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
va thanh » ban thanh, va tinh, le thanh
te sach » toc sach
hieu va » lieu va, hieu qua
lai hoi » dai hoi, lai hoa, lai roi
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
ma hoi » mai hoi, xa hoi, ma hoa

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