Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
truong anh » trung anh, truong thanh, truong kinh
tranh cua » doanh cua, manh cua
trong anh » trong nganh, trong doanh, trong thanh
cua dung » cua dang, cua dong, qua dung
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu sang)) - canh tranh cua dung ((trong anh) OR (truong anh)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - canh tranh cua dung ((trong anh) OR (truong anh)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu sang)) - canh tranh cua dung ((trong anh) OR (truong anh)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - canh tranh cua dung ((trong anh) OR (truong anh)) tuan cau*.