Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
tranh van » tran van, trinh van, thanh van
van trong » van truong, vang trong, ban trong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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 sang)) - canh tranh van trong cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - canh tranh van trong cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sang)) - canh tranh van trong cong dan toan tap*.