Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh dung » manh hung, manh tung, manh cuong
tong cong » trong cong, cong cong, dung cong
sang toan » sang than, dang toan, quang toan
ho chieu » theo chieu, hoc thieu, doi chieu
anh dung » anh dong, anh huong, sach dung
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 - ((manh dung) or (anh dung)) luan ((dung trong) or (tong cong)) sang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((manh dung) OR (anh dung)) luan ((dung trong) OR (tong cong)) sang toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((manh dung) or (anh dung)) luan ((dung trong) or (tong cong)) sang toan cau*.