Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
chua dong » ha dong, huy dong, hoa dong
cua dong » cua cong, cua dang, cua nong
cong tan » cong tac, cong thanh, cong ty
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 - canh tranh ((cua dong) or (chua dong)) ((cong tan) OR (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lieu tinh - canh tranh ((cua dong) OR (chua dong)) ((cong tan) OR (cong san)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so lieu tinh - canh tranh ((cua dong) or (chua dong)) ((cong tan) OR (cong san)) phan cau".
• Adding a wildcard symbol may retrieve word variants: so lieu tinh - canh tranh ((cua dong) or (chua dong)) ((cong tan) OR (cong san)) phan cau*.