Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
hang nong » thang long, han tong
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.

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