Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
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
khan cap » khan ap, than cap, khoan cam

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

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