Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
ban cong » bang cong, van cong, phan cong
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((nhieu tang) or (chieu sach)) - thanh trung cua ban cong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((nhieu tang) OR (chieu sach)) - thanh trung cua ban cong ((dan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: doi ((nhieu tang) or (chieu sach)) - thanh trung cua ban cong ((dan toan) or (dan than)) cau*.