Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
ho chieu » theo chieu, hoc thieu, doi chieu
trung ca » trung cap, truong ca, trung cua
ca trong » cay trong, cad trong, co trong
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh trung ca trong cong tac ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ca trong cong tac ((than cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ca trong cong tac ((than cau) or (phan tu))*.