Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
quang tuan » quang thanh, quan luan, quang cua
doi chieu » doc hieu, doi chi, ho chieu
tung tuan » trung tuan, hung tuan, trang tuan
cong doan » cong dan, dong doanh, cong san
cong hoan » cong hoa, dong hoa, cong san
phan cau » phan dau, phan cac, phan tu

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 - thanh ((tung tuan) or (quang tuan)) trong ((cong doan) OR (cong hoan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((tung tuan) OR (quang tuan)) trong ((cong doan) OR (cong hoan)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((tung tuan) or (quang tuan)) trong ((cong doan) OR (cong hoan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((tung tuan) or (quang tuan)) trong ((cong doan) OR (cong hoan)) phan cau*.