Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
cua thang » cua hang, cua thanh, xua thang
long span » dong san, nong san, long van
cong san » cong tac
toan tap » toan ban
ho chau » ha chau, ho chu, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - canh tranh cua thang ((long span) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - canh tranh cua thang ((long span) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - canh tranh cua thang ((long span) or (cong san)) toan tap*.