Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong luan » tong luan, cong tuan, dong luan
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
ho lieu » so lieu, co lieu, ho kieu

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

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