Perhaps you should try some spelling variations:
thanh trung » thanh tung
dung cong » dung trong
thi hieu » thi chieu, thi hien, thi dieu
trung va » truong va, trang va, trung ha
cong dan » cong san, cong tan, huong dan
than sao » than so, than vao, thanh san
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: ((thi hieu) or (theo tieu)) xanh - thanh trung va dung cong dan ((than sao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi hieu) OR (theo tieu)) xanh - thanh trung va dung cong dan ((than sao) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((thi hieu) or (theo tieu)) xanh - thanh trung va dung cong dan ((than sao) or (toan cao))*.