Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tung tuan » hung tuan, quang tuan, trang tuan
cong san » cong tac
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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