Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
dieu danh » dieu hanh, tieu danh, dia danh
tranh cua » doanh cua, manh cua
dang cong » dung cong
cua dang » cua cong, cua ban
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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