Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
su sach » so sach, vu sach
cao xuc » cam xuc, cao duc, cao suc
cua tre » cua te, cuu tre, cua triet
mai hoi » mai khoi, dai hoi, mai doi
lai hoi » dai hoi, lai hoa, lai roi
y sang » _ sang, duy sang
xuc va » duc va, tuc va, luc va
va cao » va cac, va co, va dao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y sang ((mai hoi) or (lai hoi)). lieu va cao xuc va ((thanh ve) or (thanh pho)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y sang ((mai hoi) OR (lai hoi)). lieu va cao xuc va ((thanh ve) OR (thanh pho)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach y sang ((mai hoi) or (lai hoi)). lieu va cao xuc va ((thanh ve) or (thanh pho)) cua tre*.