Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
nhung don » nhung van, nhung bo
dung cong » dung trong
luan phan » luan van, luan hoan
phan cac » nhan cach, phan dau, phan lap

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 xanh) or (hieu lang)) - canh tranh cua ((nhung don) or (dung cong)) luan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (hieu lang)) - canh tranh cua ((nhung don) OR (dung cong)) luan phan cac.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (hieu lang)) - canh tranh cua ((nhung don) or (dung cong)) luan phan cac*.