Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
hang nong » thang long, han tong
cua hang » cua dang, cua nhung, cua cong
tran van » luan van
tan can » toan can, tan van, ban can

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 - canh tranh cua hang nong ((tan can) or (tran van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh cua hang nong ((tan can) OR (tran van)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh cua hang nong ((tan can) or (tran van)) ban*.