Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
chiet tach » chieu sach
dung cong » dung trong
trung va » truong va, trang va, trung ha
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
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: theo ((((chieu xanh) or (chieu tinh))) or (chiet tach)) - thanh trung va dung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu xanh) OR (chieu tinh))) OR (chiet tach)) - thanh trung va dung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu xanh) or (chieu tinh))) or (chiet tach)) - thanh trung va dung cong dan toan cao*.