Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hanh tranh » canh tranh, hanh trinh, hanh trang
cuong danh » huong dan, cuong linh, cong dan
tranh cua » doanh cua, manh cua
cuon danh » cuoi dan, cum danh, cuon sach
thanh cao » thanh ca, thanh cac, thanh thao
cua dang » cua cong, cua ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((chieu sang) OR (chieu sach)) - hanh tranh cua dang ((cuong danh) or (cuon danh)) thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu sang) OR (chieu sach)) - hanh tranh cua dang ((cuong danh) OR (cuon danh)) thanh cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((chieu sang) OR (chieu sach)) - hanh tranh cua dang ((cuong danh) or (cuon danh)) thanh cao".
• Adding a wildcard symbol may retrieve word variants: toc ((chieu sang) OR (chieu sach)) - hanh tranh cua dang ((cuong danh) or (cuon danh)) thanh cao*.