Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, hien hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
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: ho ((((hieu manh) OR (dieu hanh))) or (chieu sang)) - canh tranh cua nhung cong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu manh) OR (dieu hanh))) OR (chieu sang)) - canh tranh cua nhung cong hach toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((hieu manh) OR (dieu hanh))) or (chieu sang)) - canh tranh cua nhung cong hach toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu manh) OR (dieu hanh))) or (chieu sang)) - canh tranh cua nhung cong hach toan ban*.