Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trong » hanh trang, anh trong, hinh trong
quan duong » tuan duong, quan dong, qua duong
quan dung » quang dung, qua dung, quan dong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh trong ((quan dung) OR (quan duong)) cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trong ((quan dung) OR (quan duong)) cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trong ((quan dung) OR (quan duong)) cong dan toan cau*.