Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
van nhuong » van chuong, van phuong, van huong
tranh van » tran van, trinh van, thanh van
cong toan » cong tan, cong hoan, cong doan
cong tuan » cong tan, cong luan, cong thanh

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

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