Perhaps you should try some spelling variations:
thanh trung » thanh tung
lieu tinh » trieu tinh, diep tinh, bien tinh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so lieu tinh - thanh trung cua nhung ((cong ban) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lieu tinh - thanh trung cua nhung ((cong ban) OR (cong san)) phan cau.
• Adding a wildcard symbol may retrieve word variants: so lieu tinh - thanh trung cua nhung ((cong ban) or (cong san)) phan cau*.