Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
doi chau » doi chieu, gioi chau, hoi chu
cua nong » cua cong, cuu nong, cua dong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan ban » van 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 chau tinh - canh tranh cua nong ((cong tan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chau tinh - canh tranh cua nong ((cong tan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chau tinh - canh tranh cua nong ((cong tan) or (cong san)) toan ban*.