Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
san toan » dan toan, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
hoi cua » hoi chuc
ho cua » hoc cua, hoa cua, cho cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho cua) or (hoi cua)) sinh - hanh tranh cua nhung cong ((san toan) or (van toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho cua) OR (hoi cua)) sinh - hanh tranh cua nhung cong ((san toan) OR (van toan)) ban.
• Adding a wildcard symbol may retrieve word variants: ((ho cua) or (hoi cua)) sinh - hanh tranh cua nhung cong ((san toan) or (van toan)) ban*.