Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
cao xuc » cam xuc, cao duc, cao suc
cua tre » cuu tre, cua triet, dua tren
lai hoi » dai hoi, lai hoa, lai roi
hieu va » lieu va, hieu qua
va cao » va cac, va co, va dao
xuc va » duc va, tuc va, luc va
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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