Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
thanh tung » thanh cong
trong tam » trong lam, trong nam, trong tan
co duong » con duong, co xuong, co dong
tam than » ban than
than cau » toan cau, phan cau, than cap
co dung » cao dung, co dong, cu dung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chiet tach)) - thanh tung ((co dung) OR (co duong)) trong tam than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chiet tach)) - thanh tung ((co dung) OR (co duong)) trong tam than cau~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chiet tach)) - thanh tung ((co dung) OR (co duong)) trong tam than cau*.