Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh hung » thanh huong, thanh tung, thanh trung
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
ha dong » hoat dong, van dong
xa dong » van dong, lao dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) OR (chieu sang)) - thanh hung ((ha dong) or (xa dong)) huong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - thanh hung ((ha dong) OR (xa dong)) huong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sang)) - thanh hung ((ha dong) or (xa dong)) huong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sang)) - thanh hung ((ha dong) or (xa dong)) huong dan toan cao*.