Perhaps you should try some spelling variations:
nhung chong » nhung phong, nhung phuong, phong chong
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
luan phan » luan van, luan hoan
phan cau » phan dau, phan cac, phan tu

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 sang) OR (chieu xanh)) - canh tranh cua ((nhung chong) or (nhung cong)) luan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chieu xanh)) - canh tranh cua ((nhung chong) OR (nhung cong)) luan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sang) OR (chieu xanh)) - canh tranh cua ((nhung chong) or (nhung cong)) luan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) OR (chieu xanh)) - canh tranh cua ((nhung chong) or (nhung cong)) luan phan cau*.