Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
van quan » van ban
quan cao » quang cao, quan cau, quan ao

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu manh - canh tranh cua ((nhung cong) or (hang cong)) van quan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - canh tranh cua ((nhung cong) OR (hang cong)) van quan cao.
• Adding a wildcard symbol may retrieve word variants: theo chu manh - canh tranh cua ((nhung cong) or (hang cong)) van quan cao*.