Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, lanh tranh
hanh trang » thanh trung, canh tranh, hanh trinh
doi chieu » doc hieu, doi chi, ho chieu
trong dan » trong dang, trong san, trong tan
vat dung » van dung, viet dung, mat duong
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
va dung » van dung, va duong, va ung

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