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
chi sach » chinh sach, chieu sach, co sach
dan toan » van toan, manh toan, xuan toan
van tuan » van quan, van ban, anh tuan
dan than » dan chan, ban than, van than
doi chi » doi khi

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

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