Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
chieu tinh » trieu tinh, lieu tinh, kieu tinh
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong ty
tran ban » tranh ban, tran van, toan ban

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) OR (chau tinh)) - canh tranh cua tong ((cong tan) or (cong thanh)) tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (chau tinh)) - canh tranh cua tong ((cong tan) OR (cong thanh)) tran ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu tinh) OR (chau tinh)) - canh tranh cua tong ((cong tan) or (cong thanh)) tran ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) OR (chau tinh)) - canh tranh cua tong ((cong tan) or (cong thanh)) tran ban*.