Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chiet tach, chieu sang, hieu cach
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dang cong » dung cong
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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 sach))) or (chinh sach)) - hanh tranh cua dang cong van than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (chieu sach))) OR (chinh sach)) - hanh tranh cua dang cong van than cap.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) or (chieu sach))) or (chinh sach)) - hanh tranh cua dang cong van than cap*.