Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tung » thanh cong
tuan trong » thuan trong, quan trong, tran trong
tung tuan » trung tuan, hung tuan, quang tuan
cong doan » cong dan, cong hoan, dong doanh
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) OR (chinh sach)) - thanh tung tuan trong cong doan ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chinh sach)) - thanh tung tuan trong cong doan ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chinh sach)) - thanh tung tuan trong cong doan ((phan cau) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chinh sach)) - thanh tung tuan trong cong doan ((phan cau) or (phan dau))*.