Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » chieu sang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, hieu van
trong tan » trong quan, trong cac, trong ca
trung va » truong va, trang va, trung ha
tran tap » toan tap, tran tan, tran tuan
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((nhieu tang) or (hieu lang))) or (chieu sach)) - thanh trung va dung trong tan tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((nhieu tang) OR (hieu lang))) OR (chieu sach)) - thanh trung va dung trong tan tran tap.
• Adding a wildcard symbol may retrieve word variants: ho ((((nhieu tang) or (hieu lang))) or (chieu sach)) - thanh trung va dung trong tan tran tap*.