Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
tay lang » tai lang, tay tang, tay quang
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
dat cua » dai cua, day cua, mat cua
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
lai hoi » dai hoi, lai hoa, lai roi
mai hoi » mai khoi, dai hoi, mai doi
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, yen lang
ve cac » va cac, vien cac

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

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