Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh tinh » hanh tinh, manh tinh, canh tranh
vat nhung » va nhung, vap nhung, ve nhung
vai nhung » va nhung, voi nhung, vap nhung
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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 sach)) - canh tinh ((vat nhung) or (vai nhung)) cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - canh tinh ((vat nhung) OR (vai nhung)) cong dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sach)) - canh tinh ((vat nhung) or (vai nhung)) cong dan phan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sach)) - canh tinh ((vat nhung) or (vai nhung)) cong dan phan cau*.