Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung tam, tran tuan, truong thanh
doi chieu » doc hieu, doi chi, ho chieu
tung tuan » hung tuan, quang tuan, trang tuan
cong cong » cong dong, trong cong, dung cong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan

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