Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » hanh trinh, hanh trang, lanh tranh
cong ngang » cong nhan, cong quang, cong lang
ngang van » ngan van, nang van, hoang van
ban cong » bang cong, van cong, phan cong
van hau » van ha, van hai, van dau

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 (chinh sach)) - ((hanh tranh) OR (canh tranh)) cua ban cong ngang van hau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chinh sach)) - ((hanh tranh) OR (canh tranh)) cua ban cong ngang van hau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (chinh sach)) - ((hanh tranh) OR (canh tranh)) cua ban cong ngang van hau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chinh sach)) - ((hanh tranh) OR (canh tranh)) cua ban cong ngang van hau*.