Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
cong hoan » cong hoa, dong hoa, cong san
hoan phan » hoa phan, toan phan, doan phan
ban cong » bang cong, van cong, phan cong

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 tranh cua ban cong hoan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - canh tranh cua ban cong hoan phan tu.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - canh tranh cua ban cong hoan phan tu*.