Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
tung tuan » trung tuan, hung tuan, quang tuan
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
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 ((hang cong) or (dang cong)) suat ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tung tuan ((hang cong) OR (dang cong)) suat ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh tung tuan ((hang cong) or (dang cong)) suat ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tung tuan ((hang cong) or (dang cong)) suat ((phan cau) OR (phan dau))*.