Perhaps you should try some spelling variations:
thanh trung » thanh tung
truong cong » trong cong, truong long, truong chung
truong dong » trong dong, truong dang, tuong dong
chieu sach » chinh sach, chieu sang, chieu xanh
trung cua » truong cua, trung tuan, trung cap
dan phan » doan phan, dan chan, van 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: ho ((chieu sach) or (chiet tach)) - thanh trung cua ((truong cong) OR (truong dong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - thanh trung cua ((truong cong) OR (truong dong)) dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chiet tach)) - thanh trung cua ((truong cong) OR (truong dong)) dan phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chiet tach)) - thanh trung cua ((truong cong) OR (truong dong)) dan phan cau*.