Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van thanh, manh toan
he sach » te sach, khoe sach, theo sach
van tan » van tuan, van ban, van tai
cho he » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho he sach - canh tranh cua nhung cong ((((dan toan) or (van toan))) or (van tan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho he sach - canh tranh cua nhung cong ((((dan toan) OR (van toan))) OR (van tan)) cau.
• Adding a wildcard symbol may retrieve word variants: cho he sach - canh tranh cua nhung cong ((((dan toan) or (van toan))) or (van tan)) cau*.