Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
nhung hong » nhung huong, nhung phong, nhung cong
tranh cua » doanh cua, manh cua
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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