Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu quan » hieu qua, lieu quan, thien quan
tranh cua » doanh cua, manh cua
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh 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: ho ((chieu xanh) or (hieu quan)) - canh tranh cua nhung cong ((manh toan) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (hieu quan)) - canh tranh cua nhung cong ((manh toan) OR (van toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (hieu quan)) - canh tranh cua nhung cong ((manh toan) or (van toan)) cau*.