Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
canh tinh » hanh tinh, manh tinh, canh tranh
vai nhung » voi nhung, vap nhung, ai nhung
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan

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