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