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 dan » cong tan, huong dan, cong dong
cong san » cong tac
phan dau » phan tu
hang dau » hang va, hang tai
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 dan) OR (cong san)) ((phan dau) or (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh tranh cua nhung ((cong dan) OR (cong san)) ((phan dau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - canh tranh cua nhung ((cong dan) OR (cong san)) ((phan dau) or (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh tranh cua nhung ((cong dan) OR (cong san)) ((phan dau) or (hang dau))*.