Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
san toan » manh toan, xuan toan, san doanh
dan toan » dan than, 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 tieu xanh - canh tranh cua nhung cong ((san toan) or (((dan toan) or (van toan)))) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - canh tranh cua nhung cong ((san toan) OR (((dan toan) OR (van toan)))) ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh tranh cua nhung cong ((san toan) or (((dan toan) or (van toan)))) ban*.