Perhaps you should try some spelling variations:
cong phuong » cong thuong, cong huong, dong phuong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
canh thanh » canh tranh, anh thanh, nhanh thanh
danh thanh » dinh thanh, dang thanh, nhanh thanh
hoang phan » hoang nhan, hoang thanh, hoang thoan
luan cong » luat cong, luong cong, luan chung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chieu sang)) - ((canh thanh) OR (danh thanh)) luan cong phuong hoang phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - ((canh thanh) OR (danh thanh)) luan cong phuong hoang phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sang)) - ((canh thanh) OR (danh thanh)) luan cong phuong hoang phan tu".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sang)) - ((canh thanh) OR (danh thanh)) luan cong phuong hoang phan tu*.