Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu lang » chieu sang, hieu quang, nhieu tang
va duong » van duong, va tuong, va huong
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cap » khan cap, than cap, cao cap
va dung » van dung, vat dung, va ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu xanh)) - thanh trung ((va dung) OR (va duong)) cong dan chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu xanh)) - thanh trung ((va dung) OR (va duong)) cong dan chan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (chieu xanh)) - thanh trung ((va dung) OR (va duong)) cong dan chan cap".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu xanh)) - thanh trung ((va dung) OR (va duong)) cong dan chan cap*.