Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
san cua » sang cua, ban cua, dan cua
cao xuc » cao duc, cao suc, chat xuc
sach ly » sach y, sach lo, sach ty
hieu va » lieu va, hieu qua
loi roi » loi noi, lai roi, voi roi
ly nang » ky nang, ly hang, ly vang
cua tre » cua te, cuu tre, cua triet
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 ly nang ((ma hoi) or (loi roi)). hieu va ((cao xuc) OR (cam xuc)) va thanh san cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ((ma hoi) OR (loi roi)). hieu va ((cao xuc) OR (cam xuc)) va thanh san cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang ((ma hoi) or (loi roi)). hieu va ((cao xuc) OR (cam xuc)) va thanh san cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ((ma hoi) or (loi roi)). hieu va ((cao xuc) OR (cam xuc)) va thanh san cua tre*.