Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tuan trong » thuan trong, quan trong, tran trong
trong dung » thong dung, trung dung, trong rung
dung doanh » dung dan, dung dong
doi chieu » doc hieu, doi chi, ho chieu
tung tuan » trung tuan, hung tuan, quang tuan
phan cau » phan dau, phan lap, toan cau
phan cac » nhan cach, phan dau, phan lap

You may be able to get more results by adjusting your search query.

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