Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh cua » doanh cua
cong luan » tong luan, dong luan, cong luong
cong tuan » cong tan, cong thanh, cong quang
manh cua » doanh cua, ban cua
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) OR (manh cua)) nhung ((cong luan) or (cong tuan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh ((tranh cua) OR (manh cua)) nhung ((cong luan) OR (cong tuan)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - canh ((tranh cua) OR (manh cua)) nhung ((cong luan) or (cong tuan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh ((tranh cua) OR (manh cua)) nhung ((cong luan) or (cong tuan)) phan cau*.