Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
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 - 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 - canh tranh cua tong ((cong tan) OR (cong thanh)) tran ban".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh tranh cua tong ((cong tan) OR (cong thanh)) tran ban*.