Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh tranh cua hang cong ((((dan than) OR (ban than))) or (anh tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh tranh cua hang cong ((((dan than) OR (ban than))) OR (anh tuan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh tranh cua hang cong ((((dan than) OR (ban than))) or (anh tuan)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh tranh cua hang cong ((((dan than) OR (ban than))) or (anh tuan)) ban*.