Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh qua » tranh cua, thanh qua, trinh qua
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong san » cong tac
chat cao » chat co, chat cho, chat bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) OR (chieu tinh)) - canh tranh qua dung cong san ((chat cao) or (chat va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu tinh)) - canh tranh qua dung cong san ((chat cao) OR (chat va)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu tinh)) - canh tranh qua dung cong san ((chat cao) or (chat va))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu tinh)) - canh tranh qua dung cong san ((chat cao) or (chat va))*.