Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
chao chu » cho chu, cao cho, chao xu
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
phan cau » phan dau, phan cac, phan tu
cua chu » sua chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((chao chu) or (cua chu)) sach - thanh trung cua thong ((cong tan) OR (cong tac)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((chao chu) OR (cua chu)) sach - thanh trung cua thong ((cong tan) OR (cong tac)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((chao chu) or (cua chu)) sach - thanh trung cua thong ((cong tan) OR (cong tac)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ((chao chu) or (cua chu)) sach - thanh trung cua thong ((cong tan) OR (cong tac)) phan cau*.