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 lang » chi lang, chu bang, cho lang
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 lang - canh tranh cua ((nhung cong) or (hang cong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu lang - canh tranh cua ((nhung cong) OR (hang cong)) dan toan ban*.