Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong san » cong tac
phan dau » hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) OR (lieu tinh)) - canh tranh cua nhung cong san ((phan dau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (lieu tinh)) - canh tranh cua nhung cong san ((phan dau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (lieu tinh)) - canh tranh cua nhung cong san ((phan dau) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) OR (lieu tinh)) - canh tranh cua nhung cong san ((phan dau) or (phan tu))*.