Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
nhung bo » nhung bi, nhung bai, nhung don
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao

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