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
van thanh » ban thanh, van tuan
chi danh » chi dan, chi anh, chi dinh
dan toan » van toan, dan than, manh toan
van than » van thang, van tuan, van phan
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 danh - hanh tranh cua nhung cong ((((dan toan) or (van thanh))) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi danh - hanh tranh cua nhung cong ((((dan toan) OR (van thanh))) OR (van than)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chi danh - hanh tranh cua nhung cong ((((dan toan) or (van thanh))) or (van than)) cau*.