Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » hanh chinh
dang dung » dang hung, dang quang, quang dung
ho chieu » theo chieu, hoc thieu, doi chieu
dan dung » van dung, tin dung, ap dung
van than » van thanh, van thang, van tuan
than man » than ma, thanh san, tran manh

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 sang - ((hanh trinh) or (canh tranh)) cua ((dang dung) OR (dan dung)) van than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((hanh trinh) OR (canh tranh)) cua ((dang dung) OR (dan dung)) van than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((hanh trinh) or (canh tranh)) cua ((dang dung) OR (dan dung)) van than man".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((hanh trinh) or (canh tranh)) cua ((dang dung) OR (dan dung)) van than man*.