Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
cua tinh » cua sinh, ha tinh, hoa tinh
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
va tinh » may tinh
va dung » van dung, va duong, vat dung

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