Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo tieu, ho chieu, thi chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
theo chu » cho chu, chao chu, theo yeu
san toan » dan toan, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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

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